Re: [Elecraft] Silent power supply for a K3s

[Dave Cole (NK7Z)]

I found that there is a terminal block inside most Astron Power 
Supplies, that sometimes gets mounted on a painted surface.


I always check all Astron supplies I buy, new or used, to insure the 
paint has been removed under the ground connection of the internal 
terminal block.  In about 50% of the supplies I have seen over the 
years, the TB has been mounted on a painted surface.


73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL Asst. Director, NW Division, Technical Resource

On 6/9/19 7:52 AM, Peter Dougherty wrote:

Hi all,
I would like to find a power supply to power the K3s that is completely
silent. I've owned an Astron RS-35M, which was great until it started
buzzing like crazy. I swapped that out for a Samlex SEC-1235M, and did the
fan mod to keep the fan on constantly at low speed. The problem here is that
when I'm running FT8 or RTTY for more than about a half hour, the fan goes
into high speed and stays there for an hour or more, long after the rig and
amp's fans have shut off. And because it's a tiny fan moving a lot of air,
it's incredibly loud.

I'm looking for an RF-clean power supply (either linear or switching) that
can deliver 25A continuously without requiring a cooling fan of any kind.
All it's running is the K3s/P3 and a couple of boxes with less than 1A draw
each. The front panel meter on the Samlex is showing a tad over 20A when
transmitting 100W in FT8/RTTY. Any suggestions? Within reason, cost isn't a
major issue.


-
73 and Good DX
Peter, W2IRT

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Re: [Elecraft] K3S - Win4K3Suite - SDRPlay

[Dave Cole (NK7Z)]

Gwen,

I too am on Windows 7 for my Amateur Radio software, and see the same 
thing, but, I also understand why authors won't support W7 anymore, it 
is a dead OS, and even the vendor for it is no longer supporting it.


I have one windows box for Amateur radio, and the other computer I use 
for day to day things is a Linux box.


I am considering making a clean W7 install there on a VM, and just 
keeping an image of it once W7 goes no update.


That way, if/when my W7 install gets compromised, I can just replace the 
soiled image with the good image.


I am still thinking about if I just want to go W10, and be done with 
supporting a dead OS, that will probably have a ton of exploits within a 
year of MS ceasing support.


I will probably go with 10, as that seems a simpler path, and one the 
vendors will support.  Remember, after W7 goes no support from MS, most 
of the authors will forget W7 exists, while most of the hackers will 
fall in lust with it.


73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL Asst. Director, NW Division, Technical Resource

On 6/9/19 6:39 AM, Gwen Patton wrote:

That's essentially what I did, but with KX3/PX3. I have a lovely 3.5mm to
2.5mm cable running from the PX3 IQ output to a spare mike in jack on my
PC. I had to do some weird jiggery-pokery with default sound devices to get
it to work because Win4K3Suite uses some of the same (or related) code
that's also in WSJT-X and other code derived from it, that doesn't play
nicely with Windows 7 64-bit. None of those programs will "see" my correct
microphone list, though other unrelated programs DO. Those programs only
see a pair of old entries that haven't been on my machine in years. I have
to trick them to see the devices I want, through setting default devices
and using VB-Audio's Voicemeeter virtual mixer program.

But when I DO get every tab A in the right slot B, I can set Win4K3Suite to
look to that spare mike jack for its spectrum scope source. Works great!

I've asked (begged) the authors of the various programs to PLEASE do
something about their operation with Windows 7, but I only get shrugs and
sometimes rude demands that I simply "upgrade to Windows 10, that works".
Seeing the *correct* list of enumerated input device drivers should NOT be
something I have to upgrade my operating system to get, when I only get the
problem with a very small number of specialized programs.  *sigh...*

73,
Gwen, NG3P

On Sun, Jun 9, 2019 at 9:25 AM Don Wilhelm  wrote:


Rich,

There is no need to bypass the P3, just connect the SDRPlay to the P3 IF
output.

The P3 IF output is a replication of the K3S IF output.

73,
Don W3FPR

On 6/9/2019 7:04 AM, Richard Thorne wrote:

I'd like to try Win4K3Suite with an SDRplay receiver.  I've been looking
for a block diagram showing how the SDRPlay is connected to the K3S or

P3.


I understand it's a just a matter of connecting the output of the P3
I.F. to the SDRPlay.

Can the P3 be bypassed and use the I.F. output directly from the K3S?

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Re: [Elecraft] K4 standing on Sherwood's RX list

[Dave Cole (NK7Z)]

What a nice piece of work Jim, thank you!

73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL Asst. Director, NW Division, Technical Resource

On 6/8/19 3:53 PM, Jim Brown wrote:

On 6/8/2019 3:08 PM, Bob McGraw K4TAX wrote:
I do wish he would post transmit IMD numbers.   You might surprised at 
the radios that are clean and the radios that are...well not so 
clean.


There are alternative measurements, done by ARRL as part of their lab 
tests, that quantify an even more important performance spec -- CW 
keying bandwidth. Several years ago, after discussions about excessive 
CW bandwidth at a WRTC, N0AX arranged for me to get ARRL's data in 
electronic form. I exported that data to a spreadsheet and plotted data 
for most of the rigs on the same graph. That report is at

http://k9yc.com/TXNoise.pdf

I've also done some of my own measurements, using my second K3/P3. The 
first set of data is at http://k9yc.com/P3_Spectrum_Measurements.pdf A 
second set of data focuses on the FTDX5000. I measured my neighbor's rig 
before and after he had loaded Yaesu's "fix" for it's very excessive 
bandwidth. It's at http://k9yc.com/FTDX5000_Report.pdf


73, Jim K9YC


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Re: [Elecraft] K4 Beta Testers

[Dave Cole (NK7Z)]

They have all more than likely been signed to NDAs...  If not Elecraft 
is crazy...


73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL Asst. Director, NW Division, Technical Resource

On 6/5/19 11:54 AM, Leroy Buller wrote:

Are there any K4 Beta Testers out there yet?  If so, can we get reports or
is that verboten?

Lee K0WA
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Re: [Elecraft] K4 and Linux Infrastructure

[Dave Cole (NK7Z)]

Based on the lack of ability to chance the CW rise times, I suspect 
Elecraft will not give access to the processor, and OS.  I would not.


Why?  If too many users change things, and break things, the radio will 
get a bad rep...  If Elecraft is smart, they will lock the users out of 
that level of access.


73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL Asst. Director, NW Division, Technical Resource

On 6/3/19 2:04 PM, Jeff Scaparra wrote:

I believe these are all good points that elecraft should consider. As for
myself I am a tinker-er and as such i can imagine many things i would like
to do with the on board system. Personally I would like the option of
"unlocking" access do that I could use the underlying linux system and
would be willing to be responsible for the security of the system if I did
so. I know there will be many who just want a good radio to operate and
that is why I am suggesting that maybe this is a opt into thing with the
caveat that if you unlock this your responsible to keep the radio secure.

Jeff
N5SDR

On Mon, Jun 3, 2019, 3:35 PM Dave New, N8SBE  wrote:


Paul,

I believe you mistook the 'direction' of DDOS attack I was talking
about.

The K4 would not be the target of a DDOS attack, but rather an unwitting
participant in launching a DDOS attack as part of robot army of IoT
devices.

Thousands of hacked IoT devices are for rent on the dark web, for any
script kiddie that wants to attack a particular target.

Also, it may be popular to use hacked web sites, or various documents
with trojan horse loads to deliver ransom ware or bitcoin miners, but
there are other known vectors, including various open ports found while
scanning.  It may be the a router would be able to block access, but the
very peer-to-peer nature of the K4 (controlling other K4's or being
controlled by another K4 or PC, tablet, etc, means that routers would
need to allow certain inbound connections through the router or
firewall.  These allow for interesting attack vectors, which will
certainly be exercised, if possible.

73,

-- Dave, N8SBE

 Original Message 
Subject: Re: [Elecraft] K4 and Linux Infrastructure
From: Paul Gacek 
Date: Mon, June 03, 2019 4:00 pm
To: "Dave New, N8SBE" 
Cc: Elecraft Reflector , Rick WA6NHC


Dave

DDOS is quite hard for any end point (PC, iPhone, K4 etc) to deal with
effectively. If a million zombie Macs decide to simultaneously attack
your end point your best chance is as Rick states, a device that makes
up the perimeter defenses such as a firewall or cyber security
alternative (i.e router, IDP). Most homes don’t have anything
particularly sophisticated deployed and are therefore somewhat
vulnerable. In truth DDOS attacks are quite rare and typically not aimed
at Citizen Dave or his neighbors. Protection albeit optimistic is really
in the realm of a corporate network but even then we have a few cases
where iconic sites get hammered and go dark. Enabling the K4 to defend
against DDOS is a little like building a house to withstand random bits
of ISS dropping in unexpectedly; not something I’m expecting to be
paying for.

Unwanted ransomware or bitcoin mining programs are most likely the
result of an unwitting end user at and end point (PC, Android etc) doing
something that resulted in the malware ending up on their end point.
Could be surfing to a suspect web site (www.PawnStorm4U.com) or even
going to a compromised but reputable site such as NASA.gov.
Alternatively, it could be someone opening a compromised PDF or
Word/Excel attachment. The best protection here is to be cautious and
mindful of what you do in the cyber world and absolutely make sure you
are running the most uptodate OS (not XP) and to its most current patch
level.


Presumably but maybe not, the K4 won’t make available to the ham
operator a browser that allows them to surf wherever nor an email client
that they can read Excel attachments at the whim of the ham operator.
That is best done outside of the K4.


Hardening Linux, following best practices on coding and penetration
testing are all things to be aware of and implement as appropriately.


For those who might be interested in perusing details of some of these
topics these links might be interesting;
Secure Coding Practices
https://msdn.microsoft.com/en-us/aa570401Hardening Linux

https://www.computerworld.com/article/3144985/linux-hardening-a-15-step-checklist-for-a-secure-linux-server.htmlPenetration
Testing https://www.tenable.com


With Elecraft’s proximity to Silicon Valley and presumably contacts
abounding, I’m optimistic the K4 will do us proud and I won’t have
to rely on Rocky and Bullwinkle to keep nefarious foreign agents out of
my K4.


Paul
W6PNG/M0SNA
www.nomadic.blog






On Jun 3, 2019, at 7:58 PM, Rick WA6NHC  wrote:

Much of that protection can be implemented at the router level (>90% of
all sites) and the internal linux (fairly bullet proof) will deal with
the radio 

Re: [Elecraft] Noisy Monitor-Solved

[Dave Cole (NK7Z)]

John,
That implies that all the noise is coming from the PS!  I has always 
assumed that most of the noise was from the monitor itself!


73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL Asst. Director, NW Division, Technical Resource

On 5/26/19 8:34 PM, John K9UWA wrote:

I intentionally purchased a pair of 28" LG Monitors for the ham shack that
had 19 volt wall warts. I knew I would have no problem replacing them with a
linear power supply. A nice big heavy Lamda 10 amp 0 to 20 volt supply
solved the problems.
John k9uwa



The 28" monitor cost $169.00 about two years ago, and uses a 19V wall wart
supply. I bought it for some 3d CAD design work. I think it produces about 2-3
S-units of noise. Maybe when I get some time, I'll try to fix it, but for now,
it will be fine for non-radio uses.

So, I guess you get what you pay for!

73, Jim KO5V


John Goller, K9UWA & Jean Goller, N9PXF
Antique Radio Restorations
k9...@arrl.net
Visit our Web Site at:
http://www.JohnJeanAntiqueRadio.com
4836 Ranch Road
Leo, IN 46765
USA
1-260-637-6426

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Re: [Elecraft] VERY noisy LCD Monitor. Any Suggestions?

[Dave Cole (NK7Z)]

That is how I buy potentially noisy items as well...

73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL Asst. Director, NW Division, Technical Resource

On 5/26/19 7:30 PM, Bob McGraw K4TAX wrote:
I know it is really aggravating but many places offer a reasonable 
return policy.  If they don't, I won't buy. So..l'd buy one, take it 
home, use it for a few days, if it is noisy or doesn't do what you 
wish..take it back for a refund.   Do watch for "in store credit" on 
some merchandise.


Heck, I know of folks that will go to one of the "big box hardware 
stores" buy a pressure washer or paint sprayer, do the job they need, 
take it back as being defective and get their money back.  Do check the 
return policy however.   On the other hand, it sure beats buying or 
renting a piece of seldom used equipment. Of course we as customers pay 
for this activity under the heading of "shrinkage".


73

Bob, K4TAX


On 5/26/2019 7:53 PM, Frank O'Donnell wrote:
I wish there was a list somewhere of monitors that are currently in 
production and easily purchasable that are known to be quiet on the RF 
front. I've used the remediation suggestions offered in this thread, 
and have found them to help but not cure the symptoms I see. Buying 
and trying monitors seems like it could be a very involved process.


Frank k6fod


On 5/26/19 1:39 PM, Jim KO5V wrote:

Maybe now I can make some headway - or buy a new monitor...


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Re: [Elecraft] Noisy Monitor-Solved

[Dave Cole (NK7Z)]

Vendors change suppliers all the time, this insures that a once quiet 
piece of equipment, stands a good chance of becoming a noisy piece of 
equipment in the future, or vice versa.  Hence why lists don't always work.


73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL Asst. Director, NW Division, Technical Resource

On 5/26/19 6:03 PM, Jim KO5V wrote:

Just FYI, the old (quiet) 22" Samsung monitor does not use a wall-wart. The 
cord goes directly into the body of the monitor. When I bought it in 2008, I think 
it cost about $350.00.

The 28" monitor cost $169.00 about two years ago, and uses a 19V wall wart 
supply. I bought it for some 3d CAD design work. I think it produces about 2-3 
S-units of noise. Maybe when I get some time, I'll try to fix it, but for now, it 
will be fine for non-radio uses.

So, I guess you get what you pay for!

73, Jim KO5V
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Re: [Elecraft] Reflector format

[Dave Cole (NK7Z)]

I do the same, sort on reflector, then things become simple...  If your 
email client allows sorting, sort on the sender...


Jim,
I also use Thunderbird!  :)

73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL Asst. Director, NW Division, Technical Resource

On 5/21/19 1:23 PM, Jim Brown wrote:

On 5/21/2019 12:25 PM, Neil wrote:
It is a pity that the present format of the reflector does not allow a 
person to mouse click on a
particular post so that one does not have to scroll thru spots that 
may not be of interest. 


I've been doing that for almost thirty years, originally with PMMail, 
then (and now) with Thunderbird. First, incoming mail is sorted into 
separate folders, one for each reflector that I read. Then it's easy and 
fast to read and delete (or keep) them. Even Yahoo's Windows interface 
makes it easy to do this too.


73, Jim K9YC


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Re: [Elecraft] P3: Removing the plastic display cover

[Dave Cole (NK7Z)]

Hank,

Thank you for that tip!  That was what I needed...  Never thought of 
tilting the unit forward!


I live in Oregon, it rains here all the time, and so humidity will not 
be an issue, lots of that here!


Thanks again!!

73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL Asst. Director, NW Division, Technical Resource

On 5/21/19 11:06 AM, Hank wrote:


  Dave...
I have done this.  I disconnected the unit and tilted it face forward quite a bit.  I 
removed 3 screws but left one loose in the bottom left hand corner.  I rotated the 
plastic face down and replaced 2 screws along the top of the screen.  I then removed the 
original "lose" screw and plastic cover and replaced the other lower right hand 
side screw.  I then cleaned up with a microfiber cloth and replaced the screen cover in 
the reverse order - always keeping at least one screw in the display while tilted 
forward.  No issues for me.

I also planned around a high humidity environment in the house to reduce the 
static cling.  I turned the A/C off when I went to work while it was a warm 
overcast day and when I got home it was about 80% humidity in the house - trust 
me it makes a difference!
Hank
K4HYJ

- Original Message -----
From: Dave Cole (NK7Z) (d...@nk7z.net)
Date: 05/21/19 11:30
To: Elecraft Reflector (elecraft@mailman.qth.net)
Subject: [Elecraft] P3: Removing the plastic display cover

Hello,

I have a bit of dust behind the plastic display cover on my P3, between
the case and the cover.

In reviewing the kit assembly instructions, it looks as if the four
screws on the four corners of the plastic display cover are also used to
hold the entire display board in place on the front panel.  Is this correct?

It also looks like all I need to remove these four screws from the
front, while holding the entire display board in place from the rear, in
order to get the plastic display cover off for cleaning.  Is this correct?

Are there any "surprises" in this process anyone knows of?  Hidden
washers to drop, etc?

--
73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL Asst. Director, NW Division, Technical Resource
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[Elecraft] P3: Removing the plastic display cover

[Dave Cole (NK7Z)]

Hello,

I have a bit of dust behind the plastic display cover on my P3, between 
the case and the cover.


In reviewing the kit assembly instructions, it looks as if the four 
screws on the four corners of the plastic display cover are also used to 
hold the entire display board in place on the front panel.  Is this correct?


It also looks like all I need to remove these four screws from the 
front, while holding the entire display board in place from the rear, in 
order to get the plastic display cover off for cleaning.  Is this correct?


Are there any "surprises" in this process anyone knows of?  Hidden 
washers to drop, etc?


--
73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL Asst. Director, NW Division, Technical Resource
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Re: [Elecraft] K4

[Dave Cole (NK7Z)]

It will be interesting to go through the for sale ads on QRZ, and QTH 
looking at who sold a K3S in the months leading up to the release date 
of the K4, then do the same for the time period of the K3 to K3S 
transition.


If it is the same people, then we can guess at who had advanced 
knowledge, and who to watch next time...


73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL Asst. Director, NW Division, Technical Resource

On 5/16/19 9:43 PM, Alan wrote:
I'm always amazed at what a great job Elecraft does keeping major new 
products secret throughout a long, multi-year development cycle.  There 
were engineers and others throughout the country (and the world) who 
knew about it but never let it slip.


Alan N1AL


On 5/16/19 12:44 PM, Ken Widelitz wrote:

Wayne and Eric are like Mueller and his investigators - No leaks.


73, Ken, K6LA / VY2TT


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Re: [Elecraft] K4

[Dave Cole (NK7Z)]

SNAP!!

73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL Asst. Director, NW Division, Technical Resource

On 5/16/19 4:35 PM, kevinr wrote:

Yes.


On 5/16/19 4:32 PM, kb2mj...@att.net wrote:


Do you have any documented proof of this, like I did? 

73 Jeff kb2m

-Original Message-
From: elecraft-boun...@mailman.qth.net 
 On Behalf Of kevinr

Sent: Thursday, May 16, 2019 7:02 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] K4

I used the term K4 in 2006.  Pre Nabble.

   Kevin.  KD5ONS

-

On 5/16/19 3:55 PM, kb2mj...@att.net  wrote:

> I think I might have been the first one  here to use the phrase 
'K4'. I found this from 2010


>

> https://marc.info/?l=elecraft=126615874431045=2

>

> Interesting read for me as I now am re-married, don't experience snow

> anymore, run Flex stuff, Direct receivers are my new RX of choice, AND

> I own a P3. My K3 setup is at my NJ summer residence. I run a Flex

> 6500, and VU5K here in Florida, and the K3  remotely via my K3 0.

> Don't worry Wayne n Eric all I want is a K4 hat along with my K4

> purchase 

>

> 73 Jeff kb2m

>

>

>

> -Original Message-

> From: elecraft-boun...@mailman.qth.net 



> > On Behalf Of Wayne Burdick


> Sent: Thursday, May 16, 2019 3:24 PM

> To: Elecraft >


> Subject: [Elecraft] K4

>

> Reporting live from Chicago, en route to the Hamvention Yes,

> Schrödinger's cat is out of the bag :)

>

> Apologies for the web page glitch. Someone found it before it was 
ready. It’ll be back up tomorrow morning.


>

> If you managed to place a reservation already, please email 
sa...@elecraft.com  to confirm.


>

> More later—

>

> Wayne

> N6KR

>

>

>

>

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Re: [Elecraft] Elecraft K4?

[Dave Cole (NK7Z)]

It IS in your buffer...

73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL Asst. Director, NW Division, Technical Resource

On 5/16/19 10:56 AM, Frank Krozel wrote:

It IS on the Elecraft site
https://elecraft.com/products/k4-transceiver?fbclid=IwAR1ZvSRipjGHXFT4CeD5iYhFDj89Oa7ZYJ-1rV5u83e9UYHFdg9TDsceMbE
Frank KG9H



On May 16, 2019, at 12:54 PM, David Box  wrote:

I googled Lutz electronics and did a translate of their web site.  If this is a 
hoax there has been a lot of work put into it.  Guess we need to standby for 
Dayton.



de Dave K5MWR

On 5/16/2019 11:51 AM, rboutell wrote:

Just going to leave this here:
https://www.lutz-electronics.ch/pdf/K4_Brochure-print_Lutz.pdf
Russ, W9RB



-
73, Russ - W9RB
--
Sent from: http://elecraft.365791.n2.nabble.com/
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Re: [Elecraft] Elecraft K4?

[Dave Cole (NK7Z)]

Print that page to a file...

73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL Asst. Director, NW Division, Technical Resource

On 5/16/19 12:36 PM, Dick Dickinson wrote:

Price of K4..?

As a starting point, consider the "Spring Special" on the K3s/100-F - DX'er
Package (Dual RX, 100W ATU, Hand Mic, Filters, P3, Hat!)
$5,404.95 ($250 Discount)

I still have access to the K4 page (separate tab) on Elecraft.com.  I've
noticed no mention of 'kit,' though the enclosure looks to be along the
lines of the K3 as far as it's construction.

73,
Dick - KA5KKT

-

I did not see a price on the Elecraft site, just the deposit amounts.  Does
anyone know the price or a ball park figure?

phil, K7PEH


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Re: [Elecraft] Of words and such

[Dave Cole (NK7Z)]

Phil,
You nitpicker you!  :)  Was good to see you in PDX last week!

73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL Asst. Director, NW Division, Technical Resource

On 4/26/19 11:22 AM, Phil Kane wrote:

On 4/26/2019 11:01 AM, Wayne Burdick wrote:


Wayne was right, I meant that Eric had gone way beyond what was
expected, in a good way.  My understanding of the phrase was it
meant beyond bad things and into the good.  Sorry if you saw it
otherwise.  Guess I better watch out for the wordsmiths.


Or worse, wordsmith wannabees, like me :)



But but but  as I pound into the engineers working for me - be very
careful with the stuff that you commit to reports and papers - we may be
held to exactly that in the case of disputes.  Color me nitpicker  :)--

73 de K2ASP - Phil Kane
Elecraft K2/100   s/n 5402

VP - General Counsel & Engineering Manager
CSI Telecommunications, Inc. - Consulting Engineers
San Francisco, CA - Beaverton, OR
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Re: [Elecraft] Of words and such

[Dave Cole (NK7Z)]

Now that is funny!

73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL Asst. Director, NW Division, Technical Resource

On 4/26/19 3:08 PM, donov...@starpower.net wrote:

It especially depends on what part of the world you're in...


Years ago Mmy wife Phyllis and I spent a weekend visiting Al G3FXB
and his XYL Maud. I'll never forget Phyllis' astonishment when, after
a long night of enjoyable conversation and when she was ready for
bed, Al asked:


When would you like me to knock you up tomorrow?


73
Frank
W3LPL


- Original Message -

From: "Don Wilhelm" 
To: elecraft@mailman.qth.net
Sent: Friday, April 26, 2019 9:25:44 PM
Subject: Re: [Elecraft] Of words and such

It likely depends on which area of the US you are in.
I don't know about the current vernacular, but where I grew up in
Central Eastern Ohio in the 1950s and 1960s, cigarettes were known as
"fags", and a 'fag break' would be a perfectly acceptable expression.

I once heard a broadcast from KDKA in Pittsburg, PA where several
language expressions that were unique to that area were cited. The one
that sticks in my mind is "chuckle" referring to a pothole in the road.
A lot depends on the context. I remember my Grandmother referring to
"Go dowm celler to do the wershing" on Mondays.

Even within the USA, there is a wide variety of local expressions like
that. When I first moved to NC, I did a 2nd take the first time I heard
someone say they had to "carry their Mother to the doctor"!

73,
Don W3FPR



On 4/26/2019 4:53 PM, Andy McMullin via Elecraft wrote:

You are so right. So many people seem to guess what words or phrases mean 
without bothering to determine what the rest of society agrees that they mean. 
Then they expect you to understand their personal interpretation.

However, I’d add that it’s also useful to remember George Bernard Shaw and his 
“two countries divided by a common language”. Try suggesting a “fag break” to 
workers in the USA (as I did one coffee time in the 1970’s).


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Re: [Elecraft] Elecraft's philosophy of community input on product design

[Dave Cole (NK7Z)]

Hence why I used the word "forthcoming", to indicate relatively soon...

73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 4/16/19 5:39 PM, Don Wilhelm wrote:

Dave,

The answer (as always) is Yes, Elecraft is always working on something new.

The real question is "when", and that will be unknown until it is 
announced.


Whether it will be called "K4" or something else remains to be seen at 
announcement time.


73,
Don W3FPR

On 4/16/2019 7:20 PM, Dave Cole (NK7Z) wrote:

Hi Wayne,

OK, I'll be the one to ask...  Is this Elecraft's way of saying a K4 
is forthcoming?  ;)



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Re: [Elecraft] Elecraft's philosophy of community input on product design

[Dave Cole (NK7Z)]

Hi Wayne,

OK, I'll be the one to ask...  Is this Elecraft's way of saying a K4 is 
forthcoming?  ;)


73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 4/16/19 8:56 AM, Wayne Burdick wrote:

It has often been stated, by both Elecraft and our customers, that we leverage 
user input as we flesh out new products. In this article I'll clarify our 
development model, hopefully elevating it above hearsay. It's intentional and 
methodical. We like to think it's one of the things that makes Elecraft unique 
among well-known amateur radio brands...

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Re: [Elecraft] Visalia?

[Dave Cole (NK7Z)]

And?

73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 4/15/19 5:22 PM, CUTTER DAVID via Elecraft wrote:

I had a nice chat with Eric talking about remoting the P3
David G3UNA

On 15 April 2019 at 23:01 Barry Baines via Elecraft  
wrote:


Bill:


On Apr 15, 2019, at 12:18 AM, Bill Frantz  wrote:

No. There were the usual show special deals and the KPA1500 was emphasized. The 
whole conference, including the vendor area, was fairly low key, with nothing 
new and earth shattering.


Out of curiosity. did Flex Radio Systems tout their new SmartSDR v3,0.19 
featuring “multiFlex” that allows two operators to share one Flex-6xxx series 
transceiver (or one operator use two devices such as a laptop with SmartSDR and 
a Maestro connected to the same transceiver at the same time)?  Given the focus 
on DX and contesting at Visalia, I’m wondering what the crowd reaction might 
have been to this newly released capability?

I suspect that while this is a technical achievement, non-contest users are 
being challenged to determine how exactly multiFLEX works and what advantages 
it brings to their operating experience.  However, there appears to be 
significant benefits to multi operator contest stations as well as single 
operator two radio (SO2R) setups, reducing the number of transceivers and 
associated control boxes/cabling while allowing both two operations using the 
same transceiver to share the same antenna.

I also suspect that what is driving Flex’s focus on the needs of contest operations 
is that contest stations spend ‘real money’ on equipment and software to enhance 
their competitive advantage. It’ll be interesting to see whether the evolution of 
technology by Flex using SDR will translate to tangible benefits for the "rest 
of us” as well as whether other equipment manufacturers respond to these technical 
enhancements.

73,
Barry, WD4ASW



73 Bill AE6JV

On 4/15/19 at 9:05 PM, k2vco@gmail.com (Victor Rosenthal 4X6GP) wrote:


Did Elecraft show or hint at anything interesting at the Visalia DX Convention?


---
Bill Frantz| I don't have high-speed  | Periwinkle
(408)356-8506  | internet. I have DSL.| 16345 Englewood Ave
www.pwpconsult.com |  | Los Gatos, CA 95032

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[Elecraft] K3: As remote Base

[Dave Cole (NK7Z)]

Hello,

I am considering the use of a remote base type of setup to get away from 
the RFI in my area.  I have finally given up on trying to fight it, and 
want to move the rig away from the city, as opposed to hunting down and 
correcting every new RFI source endlessly.


My station consists of a KPA500, P3, and K3.  I am using a P3 external 
keyboard, running an external computer to do FT8, and finally CW via the 
radio, not using a computer.


Is there a system which would allow the same functionality I now have, 
remotely via the Internet?


--
73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon
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Re: [Elecraft] K3: Using a K3 to route antenna signals to external devices...

[Dave Cole (NK7Z)]

Thank you gents!  Now to uppack my KPA500 which came back from support 
today...


73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 4/8/19 1:31 PM, Bob McGraw K4TAX wrote:
I agree with Joe in the procedure.   As to using or the need for a 
"splitter", I don't find the input impedance of the SDR Play/RSP1 to be 
anywhere near 50 ohms.   In fact it is much higher.    Thus the result 
of using a simple BNC "T" does not load the signal of the main 
receiver.  If your SDR receiver does present a 50 ohm input, then you 
can expect to loose about 3 dB of received signal.


And correct, the SDR will be protected when one is transmitting.

73

Bob, K4TAX


On 4/8/2019 3:22 PM, Joe Subich, W4TV wrote:




The answer indicated connecting the SDR antenna to some connector in
the rear of the radio, and pressing some number of front panel keys
to route the signals from the antenna to the SDR...

Connect a splitter, input to the RX Ant Out jack, one output to the
RX ANT IN jack and the other output to the Antenna input of your SDR.

Press the RX ANT button to activate the RX ANTENNA Out/RX ANT IN path.

> Also, is the output from the K3 at zero or close to zero when
> transmitting? i.e. is it safe for the SDR?

Yes, the RX ANT Out/IN path is on the receive side of the T/R switch.
There is no RF (or only leakage) present in transmit.

73,

   ... Joe, W4TV



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[Elecraft] K3: Using a K3 to route antenna signals to external devices...

[Dave Cole (NK7Z)]

A few months ago someone asked how to move the antenna signal coming in 
on the main antenna connector of a K3 to an external SDR via some 
connector in the rear of the K3.


The answer indicated connecting the SDR antenna to some connector in the 
rear of the radio, and pressing some number of front panel keys to route 
the signals from the antenna to the SDR...


Can someone point me at that post, or tell me how this is accomplished? 
The RF Signal flow on the K3 has always eluded me.


Also, is the output from the K3 at zero or close to zero when 
transmitting? i.e. is it safe for the SDR?


--
73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon
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Re: [Elecraft] BIZARRE OFFERING FROM MFJ

[Dave Cole (NK7Z)]

Actually keeping this thread open is a better thing...

It lets Elecraft users see what other options are available...

That said-- I know I would never add an MFJ item to my K3.  The fact 
Elecraft has allowed this thread to continue shows how open minded 
Elecraft is, and how sure of their product they are...


73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 4/7/19 11:47 AM, Wayne Burdick wrote:

Bill Frantz wrote:


  (I won't mention...


   too late!


the time I ran 100W through a T1 tuner. It wasn't for long and the tuner 
survived.)


Ouch. We did T1 tests at 50 W to make sure it could handle 20 W, and even that 
was an invitation-only event, with observers at a distance wearing safety 
goggles. How long it would survive a KPA1500 is left as an exercise for the 
reader. I'm imagining a soft blue glow from the toroids.

Wayne
N6KR


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Re: [Elecraft] April 6th GPS Reset

[Dave Cole (NK7Z)]

How is HAARP involved in this conspiracy, it must be!

73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 4/3/19 12:30 PM, Fred Jensen wrote:
The week number register is in the hardware aboard the GPS satellites, 
although receivers usually read and store it too.  Each rollover is a 
"GPS epoch," epoch being a term used by space travelers, astronomers, 
and other folk dabbling in space-ish things to confuse the rest of us. 
The first epoch ended in Aug 1999 ... 1024 weeks is 19. years. 
We are approaching the end of epoch 2.  In 1999, a few of the early GPS 
receivers hit the WNRO [week number roll over] and thought it had become 
1980 again.  Using a GPS receiver to discipline the K3 involves the 
clock signal and unless you are using your very very old receiver to 
tell you what the current date is, the WNRO will have no effect.


Early in the first GPS epoch, it was discovered that the "civilian" 
signal was yielding somewhat better accuracy than the US Dept. of 
Defense had planned, and they implemented SA or Selective Availability 
to perturb the satellite clocks making it appear that you were moving 
around randomly in a 100-200 m area when you were in fact stationary. 
This would affect the clock signal at the receivers and thus the 
"discipline" applied to the K3.


It wasn't very long before a number of entities, including manufacturers 
and the US Coast Guard ... found ways to get around SA.  One is 
Differential GPS which places stations at very carefully surveyed 
locations, monitors their GPS reported positions, and transmits the 
errors.  The DGPS receiver uses the errors to correct its own GPS 
position.  If you have the new synthesizer for your K3 [or a K3s], you 
can hear and decode the DGPS signals, they're 100 bps MSK in the 284-458 
KHz range and have a distinctive signature on a P3.  The US DoD gave up 
on SA long ago but the DGPS stations remain, or at least did the last 
time I checked.


One GPS conspiracy theory posited that there was a "back door" into the 
satellites put there by another country [which we'll leave nameless] 
which, when activated, would be used to cause all the aircraft in the 
air to converge on one point and create a great conflagration. 
Conspiracy theories have a half-life and fortunately this one was fairly 
short, similar to the half-life of disco and leisure suits. [:-)


73,
Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County

On 4/3/2019 11:24 AM, n...@zianet.com wrote:

Fred Jensen writes:

Eventually, the 10-bit register holding the week number will overflow 
and reset to zero. That's all that's happening, it happens every 
1,024 weeks, the first was in Aug 1999.


The GPS reset has been the source of hysteria in various circles, 
including exhaustive discussions on the various private pilot and 
drone forums, since most aircraft and drones use GPS for real time 
positioning and navigation while in flight.


In short, when this happened in 1999, changes were made to lengthen 
the roll over period to beyond our lifetime.  The April 6 rollover 
only effects older GPS devices with the 10-bit registers.  Basically, 
every GPS embedded device made in the last 10-15 years or so will not 
be affected - only the first generation devices.


There are absolutely no warnings or cautions on the websites for 
Garmin, Magellan, or Trimble showing it is a non-issue for their GPS 
devices - not even mentioned.  The FAA has a list of the very few GPS 
devices used in older private aircraft that could be effected, only if 
in flight when the rollover occurs.  With 10,000+ people in the air at 
any moment, there would be a huge air of caution by the FAA and 
airlines if the rollover had any chance of effecting the GPS devices 
now in use.  In this case, "Silence is golden."


73, Paul NA5N



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Re: [Elecraft] SDR on K3 IF to look for RFI

[Dave Cole (NK7Z)]

Hi Jim,

You want to look at a wider range of frequencies than the K3 IF 
presents.  See:


https://www.nk7z.net/sdr-rfi-survey-p1/

for a how to do this, using an SDRPlay radio.

That link goes to part 1 of a multi-part set of articles covering how I 
use SDRPlay radios to see just what is happening in my RF world.  Part 2 
covers interpreting what you see using a very wide band long term 
recording of your RF environment.  It helps very much in taming RFI to 
look as you are proposing to do.


73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 4/1/19 7:22 AM, Jim Miller wrote:

Now that 160 season is almost over and my antenna farm is doing good I'm
going to start chasing RFI at my new QTH.

I plan to use my RSP2Pro with HDSDR to do some time lapse recording to see
when things come and go as a first step.

To do this I plan to use my existing antennas and I'd like to avoid
connecting and disconnecting my rig as much as possible.

So I'd like to use the IF port of the K3s. That's currently passed to the
P3 and I thought I could use its IF output to drive the SDR.

That would allow me to leave it connected all the time even while using the
K3 for normal use.

How wide is the bandwidth of that port? Is it limited to the 200Khz the P3
presents?

Thanks

Jim ab3cv
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Re: [Elecraft] New Product and K4 Suggestions.. NO K4!!

[Dave Cole (NK7Z)]

I must say, I agree 100% here...  Upgradeable radios protect the 
Elecraft user-base, and overall I suspect sell more radios...  I know of 
at least one person that was considering a K3, until this thread 
started, now he is waiting until Dayton.  Previous to that he waited... 
I suspect most Elecraft owner would love to see a K3 line that is 
upgradeable for many more years to come, and I suspect all those 756 PRO 
III owners 756 PRO II owners, &%^ PRO owners, etc., that can't get 
displays for there multi thousand dollar radio would take a long look at 
Elecraft if Elecraft touted this sort of path for future radios...


73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 3/26/19 6:43 AM, Bob Gibson via Elecraft wrote:

This is the best idea so far..Do not come out with a K4..just keep giving us 
plug-in improvements..No one wants a out dated radio. The big three are just 
now starting to catch the K3..Sure from a marketing stand point coming out with 
a new radio is a great idea..more money coming in... I did not buy a K3 for it 
looks!! I do not like fancy display's or touch screens..I want a top performing 
radio that I can up-grade myself or send it in to be upgraded..I have a 1440 
serial radio..old..no upgrades that I just sent it and spent $3500.00 dollars 
on..I could have bought a TS890..but I love what I have and I have the best in 
a old 1440 radio...that is what I love about Elecraft!!

    73s Bob W5RG
  


 On Monday, March 25, 2019, 10:45:43 PM CDT, Mike Lichtman via Elecraft 
 wrote:
  
      In reading the K4 product suggestions posted so far, noise blanker/noise elimination seems to be a common thread. I have written in the past about the need

for improvement in the NB and NR on my KX3. I would like to see Elecraft come 
out with a really affective noise reduction unit (can be stand alone).
It could combine improved versions of the NB and NR, a phasing unit (like the 
MFJ 1026-which really works well), and audio filtering. With all the noise on
the bands lately, this would be welcomed in the marketplace.
     As far as the K4, the most common suggestions seem to be to change the 
color of the display, get a monitor screen / blend the P3 and K3. All front 
panel issues.
While Elecraft has featured the modular approach, I think expanding on this 
might be the key to pleasing a variety of tastes in a cost efficient way. Have 
two choices of front panels that
tailor the K4 to different displays and knobs vs touchscreen. The transceiver 
internals could continue to be modularly upgraded (like the K3 to K3S) and the 
front panels could be made
backwards compatible to the K3/K3s in the Elecraft tradition. This would place 
the upgrades in an affordable price band and could be done incrementally.
Most hams can afford $1000 to $2000 but not $5000+.    73 Mike KF6KXG
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Re: [Elecraft] Will there be a K4

[Dave Cole (NK7Z)]

Put a web server in the K4, and control it that way via IP...  Also put 
in JSON for radio status, and add some IP based controls for everything.


73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 3/25/19 4:59 AM, Mike Markowski wrote:

Eric,

On the computer side of things, how about:

1. Ethernet, socket-based communication with rig.  Imagine AUTO INFO
replies direct to IP/port!  No more clashing programs.
2. Everything controllable by commands (like RF gain).
3. Info directly gettable.  E.g., no need to 'decode' display.
4. State directly settable. No need to emulate series of button pushes.
5. Pixel based display can convey much info when used with care. (Graphs,
block diagram showing what is affected by a control.  Things like, but
better & more compact than, my old K2DSP code:
http://udel.edu/~mm/ham/elecraft/k2filter/ )

73,
Mike ab3ap

On 25/03/2019 07:14, Eric Swartz WA6HHQ - Elecraft wrote:

Inquiring minds want to know:
What would you all like to see as a “K4” ?

Eric
elecraft.com




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Re: [Elecraft] Will there be a K4

[Dave Cole (NK7Z)]

Hi Jim,
Thanks for the detailed response!

73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 3/24/19 7:54 PM, Jim Brown wrote:

On 3/24/2019 4:41 PM, Dave Cole (NK7Z) wrote:

Have you found a good speaker for the K3?  If so, which one is it?


For any serious operating, I always use headphones. Speakers are for 
casual monitoring. If I were to recommend a speaker, it would be: 1)for 
one with very smooth frequency response between 400 Hz and 5 kHz; 2) 4 
ohm impedance; 3) a small diaphragm, and 4) high voltage sensitivity.


Contrary to popular misconceptions, wider range response is not a bad 
thing.Smooth response in the speech region is important. 4 ohm impedance 
means it will receive more power from the K3. A smaller diaphragm 
provides smoother off-axis frequency response, high voltage sensitivity 
means it will be louder. BUT -- #3 and #4 are conflicting design specs 
-- smaller diaphragms have lower voltage sensitivity.


I've used small hi-fi and pro loudspeakers and like the sound, but they 
burn too much space on my operating desk now that I have three video 
monitors (two P3s, and an extension of the computer's desktop). I 
replaced them with little black cubes a few inches that I bought as a 
box of 10 at a Chicago area hamfest about 15 years ago. They're plenty 
good enough for my needs. I also use them in the car for my 
dual-transceiver FM rig, strapped to the two posts on my headrest (two 
of them so that  I can tell which transceiver the audio is coming from).


73, Jim K9YC

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Re: [Elecraft] The case against touch screens

[Dave Cole (NK7Z)]

I suspect touch screens are just a fad for rigs...  Imagine one in your 
moving car...


73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 3/24/19 5:35 PM, Al Lorona wrote:

Thaddeus sits down at the rig. Today is the day Bouvet is supposed to come on 
the air, and thousands of hams around the world must be tuning around at this 
moment trying to be the first to work the DXpedition.

He gets a feeling and tunes low in the band, turning the knob as if he were 
breaking into a safe. His intuition pays off: he hears a weak signal tuning up, and 
then... a callsign. It's Bouvet! Instant rush. Instant clammy hands. He reaches to 
tap the Split button on his fancy new rig's touch screen. He taps again. The screen 
does nothing. Oh no, not now, touch screen. Please recognize my finger... please! 
Bouvet turns it over, but nobody has heard them yet, so Bouvet calls again, and 
while Thaddeus is tapping frantically, time slows down, four seconds feel like four 
hours, and still the dim-witted screen does nothing as Thaddeus begins all the 
usual finger gymnastics that people do when they're trying to make their device 
understand that they in fact want it to do something. The radio sits there 
stupidly, the DX stops calling, and then the pileup mayhem begins. Thaddeus sits 
there, stupefied, wondering why those 

Re: [Elecraft] Will there be a K4

[Dave Cole (NK7Z)]

I have a pair of those...  Think I'll drag them out!  Thanks!

73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 3/24/19 5:16 PM, Don Wilhelm wrote:

Dave,

Shortly after I got the K3 and well before the SP3 was introduced, I 
found a pair of Radio Shack Minimus speakers in black which have worked 
well with my K3.  I picked them up at a 2nd hand store for $5, so keep 
your eyes open for small, efficient, unpowered "Hi-Fi" speakers at a 
bargain price.  Pawn shops and 2nd hand stores often have things of that 
nature.
Or use a pair of the SP3 speakers for a complete and matching K-Line 
station.


73,
Don W3FPR

On 3/24/2019 7:41 PM, Dave Cole (NK7Z) wrote:

Jim,
Have you found a good speaker for the K3?  If so, which one is it?


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Re: [Elecraft] Will there be a K4

[Dave Cole (NK7Z)]

I should have seen that coming...  :)

73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 3/24/19 5:10 PM, Eric Swartz WA6HHQ - Elecraft wrote:

SP3 :-)

Eric
elecraft.com <http://elecraft.com>
---
Sent from my iPhone 6S

On Mar 24, 2019, at 4:41 PM, Dave Cole (NK7Z) <mailto:d...@nk7z.net>> wrote:



Jim,
Have you found a good speaker for the K3?  If so, which one is it?

73s and thanks,
Dave (NK7Z)

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Re: [Elecraft] Will there be a K4

[Dave Cole (NK7Z)]

Jim,
Have you found a good speaker for the K3?  If so, which one is it?

73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 3/24/19 1:25 PM, Jim Brown wrote:

On 3/24/2019 12:29 PM, Dave Cole (NK7Z) wrote:

My current K3 is to die for on CW...


AND on SSB, thanks to the built-in EQ for both transmit and receive, the 
excellent audio processing, the excellent receiver, including the range 
of roofing filters.


73, Jim K9YC

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Re: [Elecraft] Will there be a K4

[Dave Cole (NK7Z)]

Now that I have owned a K3 for a few years, I have what the new folks 
don't have, K3 experience...


Here is my take on this, now that I have some experience under my belt...

How much better can Elecraft make a K4, as compared to a K3?

I am already atmospheric noise limited, so sensitivity is not the issue 
with my K3.


My current K3 reacts well to close by hams...

My current K3 allows computer control...

My current K3 allows remote control...

My current K3 seems to fit all of my needs...

My current K3 is to die for on CW...

Sure I could use more dynamic range, but honestly, that is not really 
limiting my QSO or DX count...  So really, all I might see is a new 
display, maybe some color, maybe a few more features, perhaps some 
better filtering...


What would really chap my ass would be for Elecraft to come up with a 
K4, and fork the software, and upgrade paths.  That would pretty well 
end all development on the K3 after some till defined ime frame, not yet 
stated...  If Elecraft comes up with a K4, and it is just a prettier 
version of a K3, with maybe a few new additional features, but Elecraft 
does not fork the product line, and/or software, I would be happy with 
my current radio.


The K3 really does perform so much better than anything I have ever used 
I don't imagine there is a lot that could be done to make it so much 
better as to make me want a K4.  I doubt any prospective K4 would up my 
DXCC count, or make -50 FT8 signals suddenly decode.


I am also 66, so my current, or next radio will be probably my last... 
I really don't want to get on the Flex bandwagon, of paying tons for a 
radio/science experiment, only to have it sell of 40% of new, three 
years later...  I am happy with the K3 for now...  If a K4 comes out, 
maybe, but if I did not have a K3, I and knowing what I know after 
owning one for years, I would be pretty ticked at myself for waiting a 
year for a K4, even if it came out...


73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 3/24/19 11:38 AM, Chip Stratton wrote:

Seems like you need to decide what you want to do with a radio, which radio
will do best for what you have to spend, and get that radio. Why wait
around for something that might or might not be in the future and may or
may not fit your needs better in some incremental way? You will never know
if a K4 is coming until Elecraft actually announces it.

Chip
AE5KA

On Sun, Mar 24, 2019 at 2:15 PM levandowski  wrote:


I've been a dedicated Elecrafter for well over a decade.  I've built and
owned all the radios - sometimes more than once - plus the KXPA100, and
many other products.  Wayne should look at my purchase history records.

But I reached the point where I got tired of orange screens so I sold
everything and bought a Kenwood TS-590SG where the screen color went from
yellow through orange to green.  It was a very capable radio and sounded
very nice.  But I still wasn't satisfied.

So I traded it in on a TS-890S five months ago.  Now that's a beautiful,
capable, colorful and HEAVY radio.

But there's just something about Elecraft..so I sold it last week, put
the money back in the bank and now I'm operating a little Hilltopper as my
only radio while I take a deep breath and figure out which of the Elecraft
radios that I previously owned and stupidly sold, I'll re-purchase.

I'm holding out hope for a new, colorful offering in the May time frame
but if not, it's probably going to be either another KX3 or a KX2 again.
Barefoot.

I guess I had to take the whole trip until I could figure out where I
wanted to settle down

73, Stan WB2LQF



On March 24, 2019 at 1:35 PM Bob McGraw K4TAX 

wrote:



Purchase what you want today. Tomorrow may never come.   If you wait

until tomorrow you'll never have a new radio.


Bob, K4TAX




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Re: [Elecraft] Possible P3 UI Improvements

[Dave Cole (NK7Z)]

I found the same, so I put together a process of using an external 
keypad to control the K3.  I use a Genovation 64 key keypad, and can 
fire macros at the K3/P3 using it.


See:

https://www.nk7z.net/adding-external-keypad-k3/

I also have a spread sheet about half way down, under "Tips", that has a 
few macros in it, one of which is for splitting/unsplitting the K3/P3.


The keypad gives me 63 macros I can fire, it is great for contesting...

73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 3/21/19 10:46 PM, Bill Frantz wrote:
I've been wondering whether to send this email to the main list or to 
the developer list. I decided on the main list to get a broader reaction 
to the suggestions.




I fell in love with my P3 as soon as I finished putting it together. 
However, I did find the UI to be a bit klunky. Then I used a Flex radio 
during CQP and realized how easy it was to use its panadapter using the 
touch screen to set the center and span. I started thinking about how 
the P3 could be made easier, without replacing the screen with a touch 
screen. I'll divide my suggestions into ones that may require hardware 
changes, and ones that should be a "Simple matter of programming" (SMOP).


It should be noted that I always operate in FixTrack mode, so the 
display doesn't move when I tune.


Things that might require hardware changes:

When changing the display parameters (e.g. center, span, etc.) redisplay 
the old data in the new format to the bottom of the screen as the change 
is being made. This continuous redisplay is part of the Flex's ease of 
use. It probably requires significant memory and processing power to 
save the RF samples used to create the display, which may require a 
hardware upgrade.



SMOP changes:

The main controls for adjusting the view are Center and Span. With 
FixTrack mode on, I don't really care about the center location, I care 
about the edges. When trying to work a pileup, I usually put VFO A on 
the DX and VFO B on the other side of the pileup and then start 
adjusting the view. Sometimes getting this right takes several trips 
through Center and Span. Being able to assign a button the function of 
setting the span just a bit larger than the distance between the two 
VFOs and the center to the middle frequency between them would make it a 
lot easier. I need some extra space to allow fine tuning on the DX 
without changing the P3 settings.


I think this boils down to Center := (VFO_A + VFO_B)/2 and Span = 
abs(VFO_A - VFO_B)*1.1, where the 1.1 may need to be adjusted with real 
life experience.



Since in most pileup situations, we want to keep the DX near the left 
(for working up) or right (for working down) edge of the screen, it 
should be possible to keep VFO A in a constant screen position while 
changing the span.



I like to run with a span of 100 KHz for a quick look at the band before 
I zero in on a signal of interest. Note that 100 KHz span will cover all 
of 17M and 12M and 50 KHz works nicely on 30M. However, when I finish 
with a zoomed in display and press my 100 KHz or 50 KHz buttons, the 
display frequently shows frequencies outside the band.


It should be possible to limit the displayed area to the band of 
interest. For ham use, limiting the display to the ham bands would be 
quite useful. When operating with the K3/K3S, the band extents could be 
read from the limits programmed into the transceiver. In any case, 
programming the bands would not be too hard with the aid of the utility, 
and relatively permanent given the speed of getting changes through the 
FCC.


I think this boils down to: IF (VFO_A is in a band && VFO_A - (span/2) 
is not in the same band) Center := bottom of band + (span/2)



The P3 should remember the view by band and always come back to the last 
view on that band when changing bands. I frequently lose my 18.068 to 
18.168 view when changing to 17M, particularly when using CAT commands 
via wsjt-x. When the P3 must change the view, it should try to keep both 
VFO A and VFO B on the screen if the span will allow. It is much more 
likely to be useful than an arbitrary choice of frequency based on an 
integral multiple of the span.


73 Bill AE6JV

---
Bill Frantz    | "I wish there was a knob on the TV to turn up the
408-356-8506   | intelligence.  There's a knob called "brightness", but
www.pwpconsult.com | it doesn't work. -- Gallagher

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Re: [Elecraft] K3: Use of David Clarke Headsets

[Dave Cole (NK7Z)]

Thanks Jim!

73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 3/14/19 11:11 AM, Jim Brown wrote:

On 3/14/2019 7:51 AM, Dave Cole (NK7Z) wrote:
Has anyone interfaced a set of DC H7030 headsets to a K3?  If so, what 
were the results?  Did they work, how did they sound on receive and 
transmit?  I have inherited a set, and am considering using them, and 
looking for thoughts on this prior to getting them connected... 


No reason why they shouldn't work -- figure out how the cable is wired, 
put connectors on the cable, and plug it in! The real issue with David 
Clark headsets is comfort. I've tied them on more than once and found 
them to be an instrument of torture, but comfort with headphones is 
quite personal, depending on how our heads and ears are shaped, so YMMV.


73, Jim K9YC

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[Elecraft] K3: Use of David Clarke Headsets

[Dave Cole (NK7Z)]

Hi,

Has anyone interfaced a set of DC H7030 headsets to a K3?  If so, what 
were the results?  Did they work, how did they sound on receive and 
transmit?  I have inherited a set, and am considering using them, and 
looking for thoughts on this prior to getting them connected...


--
73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon
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Re: [Elecraft] P3 SPAN Instability

[Dave Cole (NK7Z)]

Thanks for the info sir!

73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
Award Manager, 30MDG Grid Awards
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 3/10/19 12:01 PM, Victor Rosenthal 4X6GP wrote:

No, the save/restore restored everything to how it was before.


73,
Victor, 4X6GP
Rehovot, Israel
Formerly K2VCO
CWops no. 5
http://www.qsl.net/k2vco/
On 10 Mar 2019 20:57, Dave Cole (NK7Z) wrote:
I have been thinking of that.  When you did it, was your P3 revocered 
to the same exact setup as when you saved the config file?  Did you 
have to resetup anything else?


73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
Award Manager, 30MDG Grid Awards
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

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Re: [Elecraft] P3 SPAN Instability

[Dave Cole (NK7Z)]

I have been thinking of that.  When you did it, was your P3 revocered to 
the same exact setup as when you saved the config file?  Did you have to 
resetup anything else?


73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
Award Manager, 30MDG Grid Awards
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 3/10/19 10:13 AM, Victor Rosenthal 4X6GP wrote:
I've never had any trouble with REF LEVEL, but it can't hurt to try the 
save / reset / restore routine and see if it helps.


73,
Victor, 4X6GP
Rehovot, Israel
Formerly K2VCO
CWops no. 5
http://www.qsl.net/k2vco/


On 10/03/2019 18:14, Dave Cole (NK7Z) wrote:

I am seeing something similar to this as well...  Not in SPAN, but in
 REF LVL.  I set REF LVL while on 30 Meters, and leave the band. 
Ssometimes when I return to 30, I need to touch the REF LVL level to

get it to return...

By touch, I mean I select REF LVL, then just turn the knob ever so 
slightly.  The P3 then reverts to where it should be...


P3 with SVGA, and power monitor.  Only on 30 meters...  Any
suggestions?

73s and thanks, Dave (NK7Z) https://www.nk7z.net Award Manager, 30MDG
Grid Awards ARRL Technical Specialist ARRL Volunteer Examiner ARRL
OOC for Oregon

On 3/10/19 8:06 AM, Victor Rosenthal 4X6GP wrote:

I had a problem in which both SPAN and CENTER changed arbitrarily
(it seemed) on band changes. I finally saved the configuration
using the P3 Utility, reset the P3 to factory parameters (power
off, hold LABELS while powering on, wait for 2 seconds, let go of
LABELS), and finally used the utility to restore the
configuration. The problem hasn't recurred -- it's been a few weeks
and it was pretty much a daily occurrence. YMMV.


73, Victor, 4X6GP Rehovot, Israel Formerly K2VCO CWops no. 5 
http://www.qsl.net/k2vco/


On 10/03/2019 16:51, Gary J Ferdinand wrote:

Various searches dredged up nothing helpful.  I recently
developed a P3 problem.  The SPAN does not get saved.  Whenever I
change bands to a band I had set it, say, to 50 kHz, the SPAN
resets itself to 5 kHz. Sometimes I can even watch the display as
it cranks down the bandwidth.

This is a P3 *without* SVGA, but *with* TXMon.  It has 1.60
firmware installed and reloaded without effect.  It is not
directly connected to a PC. The transceiver to which it is
connected is a K3S.

P3 SPAN settings:  SpanScale: REF LEVEL ONLY, SteppedSpan:  OFF

I appreciate any pointers to where I should look.  Thanks.

73/Gary W2CS

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Re: [Elecraft] P3 SPAN Instability

[Dave Cole (NK7Z)]

I am seeing something similar to this as well...  Not in SPAN, but in 
REF LVL.  I set REF LVL while on 30 Meters, and leave the band. 
Ssometimes when I return to 30, I need to touch the REF LVL level to get 
it to return...


By touch, I mean I select REF LVL, then just turn the knob ever so 
slightly.  The P3 then reverts to where it should be...


P3 with SVGA, and power monitor.  Only on 30 meters...  Any suggestions?

73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
Award Manager, 30MDG Grid Awards
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 3/10/19 8:06 AM, Victor Rosenthal 4X6GP wrote:

I had a problem in which both SPAN and CENTER changed arbitrarily (it
seemed) on band changes. I finally saved the configuration using the P3
Utility, reset the P3 to factory parameters (power off, hold LABELS
while powering on, wait for 2 seconds, let go of LABELS), and finally
used the utility to restore the configuration.
The problem hasn't recurred -- it's been a few weeks and it was pretty
much a daily occurrence.
YMMV.


73,
Victor, 4X6GP
Rehovot, Israel
Formerly K2VCO
CWops no. 5
http://www.qsl.net/k2vco/

On 10/03/2019 16:51, Gary J Ferdinand wrote:

Various searches dredged up nothing helpful.  I recently developed a
P3 problem.  The SPAN does not get saved.  Whenever I change bands to
a band I had set it, say, to 50 kHz, the SPAN resets itself to 5 kHz.
Sometimes I can even watch the display as it cranks down the
bandwidth.

This is a P3 *without* SVGA, but *with* TXMon.  It has 1.60 firmware
installed and reloaded without effect.  It is not directly connected
to a PC. The transceiver to which it is connected is a K3S.

P3 SPAN settings:  SpanScale: REF LEVEL ONLY, SteppedSpan:  OFF

I appreciate any pointers to where I should look.  Thanks.

73/Gary W2CS

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Re: [Elecraft] KPA500 no transmit question...

[Dave Cole (NK7Z)]

Thank you for the answer...  I'll ask him tomorrow...  More as I get 
it... Once I find out I'll also post.


73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
Award Manager, 30MDG Grid Awards
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 3/7/19 7:28 PM, Jack Brindle wrote:

This sounds like there is no RF going into the KPA500. When the KPA500 is in 
STBY mode and he transmits, do the KPA500 indicators show the proper power 
level to match what he thinks the K3 is outputting? He might insert a wattmeter 
between the K3 and KPA500 to make sure that power is going into the KPA when he 
thinks it is. If not, then it is time to diagnose things in the K3.

The folks down in Watsonville are very good at diagnosing system problems of 
this sort. Calling them to help solve the issue would be a good thing.

73!
Jack, W6FB

  


On Mar 7, 2019, at 5:50 PM, Dave Cole (NK7Z)  wrote:

I am writing this for a friend, who for now, has limited access to he list.

He has a KPA500/KAT500/K3.  All was working fine last time he used it. Today, 
the amp comes on, but no power.  Here are the details...

1.  Amp shows the "*" when it keys.
2.  K3 shows KPA500 ON, when the amp comes on.
3.  K3 shows KPA500 OPERATE when it is switched to operate.
4.  The K3 reduces power when the KPA500 is in operate mode.
5.  No fault is indicated.

I loomed at TX INHIB, on the K3, and it is OFF as it should be.

All cables are tight...

I just got my KPA500 last week, so my experience is limited.  What am I 
missing?  He will call Elecraft tomorrow, but I want to know if it is a setting 
issue, or something broke.

--
73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
Award Manager, 30MDG Grid Awards
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon
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[Elecraft] KPA500 no transmit question...

[Dave Cole (NK7Z)]

I am writing this for a friend, who for now, has limited access to he list.

He has a KPA500/KAT500/K3.  All was working fine last time he used it. 
Today, the amp comes on, but no power.  Here are the details...


1.  Amp shows the "*" when it keys.
2.  K3 shows KPA500 ON, when the amp comes on.
3.  K3 shows KPA500 OPERATE when it is switched to operate.
4.  The K3 reduces power when the KPA500 is in operate mode.
5.  No fault is indicated.

I loomed at TX INHIB, on the K3, and it is OFF as it should be.

All cables are tight...

I just got my KPA500 last week, so my experience is limited.  What am I 
missing?  He will call Elecraft tomorrow, but I want to know if it is a 
setting issue, or something broke.


--
73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
Award Manager, 30MDG Grid Awards
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon
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Re: [Elecraft] DVR audio

[Dave Cole (NK7Z)]

Does FAST also remove the light delay in the audio?

73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
Award Manager, 30MDG Grid Awards
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 3/3/19 7:01 PM, Bob Wilson, N6TV wrote:

Check CONFIG:TX MON, to see if it is set to NOR or FAST (FAST should have
no "distortion", because you hear unprocessed MIC audio, with no delay).
This applies to both your own MIC audio and KDVR3 recordings.

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[Elecraft] FS: ALS-1306 1.2 KW Solid State Amp and Elecraft control cable for K3

[Dave Cole (NK7Z)]

Hi,

I have an ALS-1306 amp, and Elecraft control cable for sale.  Bought a 
KPA-500, so the ALS is no longer needed.  If interested, contact me OFF 
LIST directly at my email.


--
73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
Award Manager, 30MDG Grid Awards
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon
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Re: [Elecraft] [ELECRAFT] KPA500 NEW OWNER QUESTIONS.......

[Dave Cole (NK7Z)]

Logs?  Can you expand on that a bit?  Does the KPA500 keep logs?  How 
are they available please?


73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
Award Manager, 30MDG Grid Awards
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 2/28/19 1:35 PM, Kevin der Kinderen wrote:

It appears, after reviewing the logs, I hit it with 75 watts and 
probably blew one of the diodes in the front end.

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Re: [Elecraft] New KPA500/KAT500 question

[Dave Cole (NK7Z)]

Thanks Don, that was what I needed to hear on your first post.  After I 
figured out that nothing goes through the P3 from the K3 to the KAT500, 
things made a lot more sense...


What a nice setup I have now...  I will be selling my ALS-1306, and 
Palstar HF-AUTO as a result of getting this little amp...  Three db 
difference is nothing to worry about, so 500 watts is great...  Got a 
chance to use it today on the EU opening on 20...  How nice it is in 
CW...  I have never run full break-in, over the past 50 years of being a 
ham...  Should have tried it long ago!  :)


Thank you for the help!

73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
Award Manager, 30MDG Grid Awards
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 2/17/19 6:29 AM, Don Wilhelm wrote:

Dave,

I see that you have it figured out.

As to your question - the K3 and P3 connect together using the IF out 
coax and the RS-232 connection.


The KAT500/KPA500 connect using the AUX cable - that is no 
interconnection between the P3 and the KAT500/KPA500, they are entirely 
separate.


73,
Don W3FPR

On 2/16/2019 9:06 PM, Dave Cole (NK7Z) wrote:




Can you expand on:

"There is no relationship between the K3 and P3 for considerations 
with the amplifier and ATU."


What does this mean exactly?


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Re: [Elecraft] New KPA500/KAT500 question

[Dave Cole (NK7Z)]

Many thanks to all!  I figured it out!  I was looking to move the band 
data and thought it came from the data connection, not the AUX connection.


My own preconceived ideas were holding me back from understanding the 
process...  Broke it down into little single steps...  Connected 
everything that way, and it worked first time...


With everyone's help I finally got past the assumptions set I had... 
Now all is well.


What an absolutely cool little amp this is...  It is so quiet...  I am 
used to large clunking amps...  First time I have operated full break in 
on CW!  So nice...


The fellow I bought it from is getting a KPA1500...  Can't wait for that 
one...


THANKS TO ALL that helped!


73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
Award Manager, 30MDG Grid Awards
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 2/16/19 7:36 PM, Cady, Fred wrote:

Hi Dave,

The pdf files you will find at 
http://www.ke7x.com/home/k-line-introduction-and-set-up-guide may be of 
some help.


73,

Fred KE7X





*From:* elecraft-boun...@mailman.qth.net 
 on behalf of Dave Cole (NK7Z) 


*Sent:* Saturday, February 16, 2019 5:51 PM
*To:* Elecraft Reflector
*Subject:* [Elecraft] New KPA500/KAT500 question
Hello,

I have a K3, and a P3, connected to a computer.  I now have a KAT500,
and a KPA500.

I do not see a full cabling diagram for the entire setup.  Does one
exist?  If so, where can I obtain it?

--
73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
Award Manager, 30MDG Grid Awards
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon
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Re: [Elecraft] New KPA500/KAT500 question

[Dave Cole (NK7Z)]

Don,

Thank you for helping, and thank you for indulging a newcomer to 
Elecraft hardware, beyond the K3/P3.


As you can imagine I am excited to get this connected up, but being very 
careful!  Hence the questions here, and thank you again!


To clarify what I have now:
I have a K3, (not S, with the RS-232 port, not USB), for external 
communications.


Can you expand on:

"There is no relationship between the K3 and P3 for considerations with 
the amplifier and ATU."


What does this mean exactly?

My assumption set:
I am expecting the K3 to provide some sort of signal, (other than RF 
into the amp, from the K3, in order to provide band switching 
signaling), in order for the KAT/KPA to know what band they are supposed 
to be on, and then switch to that band and tuning  solution.


Is that a correct assumption on my part, or in my case, (not a K3S), 
does the amp/tuner derive band information from the RF leaving the K3?


I bought used, and am unsure what the original owner had-- a K3 or K3S, 
so I may not have the correct cable set for a K3.  I will query the 
previous owner tomorrow about this.


I am also giving a lot of info here that may not be relevant, as I am 
assuming I know almost nothing about connecting this setup together, 
given I can't locate a cabling diagram for the entire setup I have.


Again, thank you for the assistance here...

73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
Award Manager, 30MDG Grid Awards
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 2/16/19 5:26 PM, Don Wilhelm wrote:

Dave,

Open the KAT500 manual to page 5 and see the cabling diagram depicted 
there.


There is no relationship between the K3 and P3 for considerations with 
the amplifier and ATU.


If you have a K3S - the P3 connects to the P3 with the RS232 connector 
and not the ACC connector, so there is no conflict.


If you have the K3S or a K3 upgraded with the KIO3B, then download the 
latest P3 manual and look at the cabling on page 5.  You will need the 
CBLP3Y to connect it as shown there.


73,
Don W3FPR


On 2/16/2019 7:51 PM, Dave Cole (NK7Z) wrote:

Hello,

I have a K3, and a P3, connected to a computer.  I now have a KAT500, 
and a KPA500.


I do not see a full cabling diagram for the entire setup.  Does one 
exist?  If so, where can I obtain it?



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[Elecraft] New KPA500/KAT500 question

[Dave Cole (NK7Z)]

Hello,

I have a K3, and a P3, connected to a computer.  I now have a KAT500, 
and a KPA500.


I do not see a full cabling diagram for the entire setup.  Does one 
exist?  If so, where can I obtain it?


--
73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
Award Manager, 30MDG Grid Awards
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon
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Re: [Elecraft] KEYBOARD

[Dave Cole (NK7Z)]

Hi Bob,

On a related subject, but not quite what you asked about, if you are 
just looking for a way to fire off macros at the K3, and have the SVGA 
for the P3, see:


https://www.nk7z.net/adding-external-keypad-k3/

This is a way to use a 64 key Genovation keypad to fire off complex 
macros to the K3/P3, using a single keypress, from a dedicated pad, as 
opposed to having to type in macros, or triggers to the K3/P3 radio 
complex via a keyboard.


An example of what can be done would be the "Offset +" macro-- I press a 
single button on the Genovation keypad, and the Radio drops into split, 
the P3 shifts the CW signal to the left side of the display, while 
setting the bandwidth for the P3 to 6 KHz., to show the top part of the 
pile up, and then sets the K3 bandwidth to whatever I have set in the 
macro, all with a single button press.


I currently have 32 macros programmed up, some for power level setting, 
switching VFOs, triggering the K3 memories in CW or Voice, setting K3 
bandwidths, contest exchanges, IDs, etc.


There is a spread sheet of macros you can download for use within the 
Genovation setup at that URL as well.  I seldom even touch the K3 now, 
but to tune, or turn it on, or off.  Most of my K3/P3 operations comes 
from the Genovation keypad.


73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
Award Manager, 30MDG Grid Awards
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 2/15/19 6:53 PM, Bob Gibson via Elecraft wrote:

I'm looking for the recommend keyboard to plug into the back of the P3 that 
works! I looking for a mini keyboard..The one I have does not work..


Thanks Bob
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Re: [Elecraft] Non-Resonant Antennas and Chokes

[Dave Cole (NK7Z)]

It is one hell of a nice read Jim, THANK YOU for publishing it.

73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
Award Manager, 30MDG Grid Contest
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 1/13/19 9:24 PM, Jim Brown wrote:

I'm not going to go beyond this on the reflector, but will refer 
interested readers to that tutorial, and to my latest work, a major 
update of the Choke Cookbook published in the first edition of the 
tutorial. The update is k9yc.com/2018Cookbook.pdf


73, Jim K9YC

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Re: [Elecraft] K3: Receiver recovery time

[Dave Cole (NK7Z)]

Thank you Don!!  I was trying to get a general feel for what to expect, 
a  ms, or us type of answer...


I was thinking of using the IF to avoid the DSP filters for just the 
reasons you cited.  I am sure you are correct about testing-- time to 
break out the scope...


Thanks again for your insight!

73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
Award Manager, 30MDG Grid Contest
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 1/13/19 1:08 PM, Don Wilhelm wrote:

Dave,

I would be cautious about looking only at the IF.  That is all in front 
of the DSP.
Certainly the DSP creates some latency, but that is not what we are 
talking about.  The DSP latency will delay all signals.


So test in the configuration that you will likely use.  If using the IF 
output, then test only at the IF.


Your question relates to the recovery time for the entire receiver.
And that does include the filters, both roofing filters and the DSP 
filtering.


Don't forget that the Hardware AGC cannot be turned off, but that does 
not come into play until the signal is greater than S-9+60


As A result, I believe you need to do actual testing with your 
particular K3 under various filtering conditions.
In other words, you are asking a very complex question, and you have not 
given us the other configuration settings and filters to be used - other 
than AGC OFF.  For that reason, your K3 may have a different answer than 
others.


73,
Don W3FPR

On 1/13/2019 3:43 PM, Dave Cole (NK7Z) wrote:

Hi Don,

Thanks for the combined brain power!  I have a plan for testing if it 
ever gets that far.  I am just trying to see if the K3 receiver 
recovers sufficiently fast in a general sort of way first.


I believe I could look at RF levels on the IF while transmitting, 
(using a different transmitter and a storage scope to look at the K3 
IF), then just drop the carrier while still looking at the levels with 
that scope.   When I see signals return to the IF I have the recovery 
time of the receiver.


I am just trying to skip that step hoping someone actually knows the 
recovery time of the receiver, as opposed to actual testing.


If the K3 is even close, I will set up test jig for it, if not, then 
I'll look for a better way.



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Re: [Elecraft] K3: Receiver recovery time

[Dave Cole (NK7Z)]

Hi Don,

Thanks for the combined brain power!  I have a plan for testing if it 
ever gets that far.  I am just trying to see if the K3 receiver recovers 
sufficiently fast in a general sort of way first.


I believe I could look at RF levels on the IF while transmitting, (using 
a different transmitter and a storage scope to look at the K3 IF), then 
just drop the carrier while still looking at the levels with that scope. 
 When I see signals return to the IF I have the recovery time of the 
receiver.


I am just trying to skip that step hoping someone actually knows the 
recovery time of the receiver, as opposed to actual testing.


If the K3 is even close, I will set up test jig for it, if not, then 
I'll look for a better way.


Thanks again for your thoughts here!

73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
Award Manager, 30MDG Grid Contest
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 1/13/19 11:53 AM, Don Wilhelm wrote:

Dave,

I am trying to think of how you might test it.
The best I can think of is to listen to both a noise source and an XG3 
sending a CW string of dots.  Increase the speed of the CW sent by the 
XG3 until you can no longer hear the noise source between dits.
Then either calculate the off times for the dits or measure it on an 
oscilloscope.


73,
Don W3FPR

On 1/13/2019 2:07 PM, Dave Cole (NK7Z) wrote:

Hi again Scott,

Thank you for your answer, but I am not being clear.

Not during break in, just sitting there in receive...  If the radio is 
hit with an S9+ signal, how long after the S9+ signal terminates 
before the K3 receiver recovers enough to show an weak signal on the 
IF...  No T/R happening, just sitting there in receive.


You are close to what I am looking for...  I am investigating the 
possibility of using the K3 as the receiver portion in a homebrew 
bistatic radar setup running in the HF spectrum.

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Re: [Elecraft] K3: Receiver recovery time

[Dave Cole (NK7Z)]

Hi again Scott,

Thank you for your answer, but I am not being clear.

Not during break in, just sitting there in receive...  If the radio is 
hit with an S9+ signal, how long after the S9+ signal terminates before 
the K3 receiver recovers enough to show an weak signal on the IF...  No 
T/R happening, just sitting there in receive.


You are close to what I am looking for...  I am investigating the 
possibility of using the K3 as the receiver portion in a homebrew 
bistatic radar setup running in the HF spectrum.


73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
Award Manager, 30MDG Grid Contest
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 1/13/19 10:25 AM, K9MA wrote:

On 1/13/2019 12:10, Dave Cole (NK7Z) wrote:

Is it faster than .0001 ms?


Certainly not. I'm not sure whether it is recovery time or latency, but 
in full break-in mode, you hear nothing between the dits above something 
like 10 wpm. (Even with AGC off.) With other non-DSP receivers, one can 
hear between the dits up to at least 30 wpm with fast AGC. Perhaps it's 
just the price we pay for the power of DSP.


Many years ago, when there were sunspots, I recall hearing multiple 
echos on 15 meters. I timed them, and the time interval was about 133 
ms, just about the time it takes radio waves to circumnavigate the 
earth. I heard them go around at least twice, and that was receiving off 
the back of a beam. Talk about long path! That would not have been 
possible with a DSP receiver.


73,

Scott K9MA


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Re: [Elecraft] K3: Receiver recovery time

[Dave Cole (NK7Z)]

Is it faster than .0001 ms?

73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
Award Manager, 30MDG Grid Contest
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 1/13/19 9:06 AM, Don Wilhelm wrote:

Dave,

That depends on slow or fast AGC and the setting of the AGC DCY menu 
parameter.

Fast is very quick - just watch the S-meter to get some visual indication.

73,
Don W3FPR

On 1/13/2019 11:49 AM, Dave Cole (NK7Z) wrote:

Hello,

Anyone able to answer this question please?

In the presence of a strong signal, say -75 db, (or around S9), once 
that signal ceases, how long does it take the K3 receiver to return to 
normal receive capability again?



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Re: [Elecraft] K3: Receiver recovery time

[Dave Cole (NK7Z)]

Sorry, I forgot to add, AGC off...

73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
Award Manager, 30MDG Grid Contest
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 1/13/19 9:06 AM, Don Wilhelm wrote:

Dave,

That depends on slow or fast AGC and the setting of the AGC DCY menu 
parameter.

Fast is very quick - just watch the S-meter to get some visual indication.

73,
Don W3FPR

On 1/13/2019 11:49 AM, Dave Cole (NK7Z) wrote:

Hello,

Anyone able to answer this question please?

In the presence of a strong signal, say -75 db, (or around S9), once 
that signal ceases, how long does it take the K3 receiver to return to 
normal receive capability again?



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[Elecraft] K3: Receiver recovery time

[Dave Cole (NK7Z)]

Hello,

Anyone able to answer this question please?

In the presence of a strong signal, say -75 db, (or around S9), once 
that signal ceases, how long does it take the K3 receiver to return to 
normal receive capability again?


--
73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
Award Manager, 30MDG Grid Contest
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon
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Re: [Elecraft] Yama CM-500 Replacement

[Dave Cole (NK7Z)]

The part of the Amazon ad located at:

https://www.amazon.com/Koss-sb45-SB-45-Communication-Stereophones/dp/B00081A2CW

that says:

"Oxygen-free copper voice coils improve signal transmission & conduction 
for a clearer & louder sound."


makes me wonder about the rest of the statements on the ad...

73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
Award Manager, 30MDG Grid Contest
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 1/9/19 3:38 AM, Mike Harris via Elecraft wrote:

Hi,

I bought a pair of Koss SB-45 when my CM-500 ear cushion covers started 
disintegrating leaving the dreaded black dandruff. My wife fabricated a 
couple of fabric covers and the problem was resolved. Recently I was 
sent a pair of fabric earphone covers by a friend obtained from Amazon 
who for some reason won't ship to the Falklands. They are simple 
elasticated covers and they slip over the ear pieces. A satisfactory 
extension to the life of the CM-500.


Returning to the Koss  SB-45. I substituted them for the CM-500 and a 
local could hardly detect any difference. The mic boom is a bit more 
springy and take a bit more effort to tailor to the individual 
preference. The cord is much lighter than the CM-500 which could be a 
weak point. Mine have been in the draw for a couple of years unused 
because the CM-500 are refusing to die.


Regards,

Mike VP8NO



On 09/01/2019 02:51, Walter Underwood wrote:
I’ve heard good things about the Koss SB-45. It has an electret mic 
and is about half the cost of the CM-500, at $25. I have not used the 
SB-45.


https://www.amazon.com/Koss-sb45-SB-45-Communication-Stereophones/dp/B00081A2CW 



I would not get the Koss SB-40. That looks like the Yamaha, but has a 
dynamic mic that has gotten some bad reports.


A while back, I took a close look at the mic plug on my Yamaha CM-500 
headset. It is labeled “Koss”.


wunder
K6WRU
Walter Underwood
CM87wj
http://observer.wunderwood.org/ (my blog)

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Re: [Elecraft] K3 Standard internal Noise

[Dave Cole (NK7Z)]

Bottom line...  We all spent thousands on our setups, why cheap out on a 
connector...


73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
Award Manager, 30MDG Grid Contest
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 1/3/19 1:29 PM, Bob McGraw K4TAX wrote:
That's why I say "in most installations, more connectors usually equal 
more problems".   Mechanical-electro connectors are the weak link in 
most all systems.


I've never burned any coax, but I sure have fried a few connectors to 
the point of having them flash over internally. With low level signals, 
oxidation of contacts restrict or prevent the flow of current.  For that 
reason, it is good practice to "exercise" connectors to provide wiping 
action of the contacts.


And then there are those "look good" connectors found at many hamfests. 
Buyer beware, they aren't usually as they appear but simply "good 
looking" not necessarily "good performing".  Stick with major known brands.


73

Bob, K4TAX


On 1/3/2019 3:01 PM, Don Wilhelm wrote:
The quality of the coax is usually good, but it is the connectors that 
give trouble.  If you cut off the connectors and use Amphenol 
connectors you will usually have a 'quality' cable.


73,
Don W3FPR

On 1/3/2019 3:22 PM, Bob McGraw K4TAX wrote:

DX Engineering has the following:

https://www.dxengineering.com/parts/dxe-8xdb002

73

Bob, K4TAX



On 1/3/2019 1:53 PM, Buck wrote:

Where did you find "quality" cables?

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Re: [Elecraft] P3 parts falling off

[Dave Cole (NK7Z)]

I was wondering as I think there have been two of these now...  Thanks 
for the update!


73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
Award Manager, 30MDG Grid Contest
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 1/3/19 8:33 AM, David Olean wrote:


Hello Dave,

"Why?" is the big question. I have no idea why it fell off. There is 
nothing that sticks out to invite damage. That RJ-11 receptacle is 
hidden underneath the P3. There are six surface mount solder connections 
to the board, and there are two small metal inserts in the plastic 
housing that help attach it to the PC board as well.  I do transport the 
P3 up to the shack at some point, but I always wrap it in bubble wrap or 
a blanket.  When I disconnected the P3 from all the cables to remove 
it,  I was surprised to hear something rolling around inside. It was the 
RJ-11 jack. All six solder tabs look perfectly straight. It is as it 
just fell off! I would think that if something poked the connector from 
the outside hard enough to break it, then those small pins would all be 
bent.  My theory on what transpired  must therefore involve aliens from 
another galaxy near M-86 in Virgo.


Dave K1WHS

On 1/3/2019 12:25 AM, Dave Cole (NK7Z) wrote:
We now know "what" is falling off, the next question is why is a part 
dropping off?


I must have missed that, can someone refresh my memory please?

73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
Award Manager, 30MDG Grid Contest
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 1/2/19 3:56 PM, Robert Brown via Elecraft wrote:

David:

I experienced the same thing when I bought an otherwise good 
condition P3 used.  Elecraft can provide you with the replacement 
part no.


I’ve never gotten around to fixing mine (otherwise works great).

Bob Brown, N1CVX

Sent from my iPad
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Re: [Elecraft] P3 parts falling off

[Dave Cole (NK7Z)]

We now know "what" is falling off, the next question is why is a part 
dropping off?


I must have missed that, can someone refresh my memory please?

73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
Award Manager, 30MDG Grid Contest
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 1/2/19 3:56 PM, Robert Brown via Elecraft wrote:

David:

I experienced the same thing when I bought an otherwise good condition P3 used. 
 Elecraft can provide you with the replacement part no.

I’ve never gotten around to fixing mine (otherwise works great).

Bob Brown, N1CVX

Sent from my iPad
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Re: [Elecraft] [FS] KX3

[Dave Cole (NK7Z)]

Hi Bill,
I suspect it is because they are not aware of this...  Keep posting it, 
it will change minds...


73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
Award Manager, 30MDG Grid Contest
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 1/1/19 3:58 PM, Bill Johnson wrote:

Great comment, Don.  Good for all to know.  Should be sent US only!

73,
Bill
K9YEQ

https://wrj-tech.com/

-Original Message-
From: elecraft-boun...@mailman.qth.net  On 
Behalf Of Don Wilhelm
Sent: Tuesday, January 1, 2019 1:58 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] [FS] KX3

I fail to understand why some hams restrict shipping to CONUS only.

Hawaii and Alaska are US states, and Puerto Rico is a US Possession (whose 
people are US citizens).

Shipping (particularly by USPS Flat Rate) is no different than shipping to a 
neighboring state.

Why restrict your market by specifying CONUS which excludes HI, AK and Peurto 
Rico.

73,
Don W3FPR

On 1/1/2019 2:12 PM, Bob via Elecraft wrote:
    CONUS only.
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Re: [Elecraft] Off-topic, but I need help.

[Dave Cole (NK7Z)]

Jim,
I sometimes add a "save" subdirectory to a main directory, if something 
I want comes in, and I want to be sure it is never deleted, I copy it to 
the save folder.


I might look into the auto delete thing I mentioned upthread.

73s and thanks,
Dave (NK7Z/NNR0DC)
https://www.nk7z.net
Award Manager, 30MDG Grid Contest
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 12/29/18 5:10 PM, Jim Brown wrote:
Yes. I read more than two dozen email reflectors, and Thunderbird makes 
it all very easy. Every reflector has its own mailbox (that shows up as 
a folder), and I occasionally add a folder for special discussions (like 
FD, county expeditions, tech projects). Those special emails get 
hand-sorted.


73, Jim K9YC

On 12/29/2018 5:00 PM, Robert G Strickland wrote:
I'm with Don on this one. I use Mozilla Thunderbird for email, and its 
filters allow just about any degree and depth of sorting that one 
might like.



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Re: [Elecraft] Off-topic, but I need help.

[Dave Cole (NK7Z)]

I would leave the list if it went to a message board, sorting would be 
impossible, and given the "random walk" this list allows with regards to 
subject, sorting is needed.


73s and thanks,
Dave (NK7Z/NNR0DC)
https://www.nk7z.net
Award Manager, 30MDG Grid Contest
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 12/29/18 5:00 PM, Robert G Strickland wrote:
I'm with Don on this one. I use Mozilla Thunderbird for email, and its 
filters allow just about any degree and depth of sorting that one might 
like. Message boards are a chore, IMHO. The Elecraft list is an example 
of a wide breadth of topics that virtually demand some sort of filtering 
to allow a specific point-of-entry.


...robert

On 12/29/2018 12:47, Don Wilhelm wrote:

Barry,

Nabble is not controlled by Elecraft, contact the Nabble administrator
about that problem.
The only email group that Elecraft controls is the Elecraft email list
from elecraft at mailman dot qth dot net.

Please *don't* switch to a message board!  I can't find anything on
those things.
I have my filters all set up for the Elecraft reflector.

73,
Don W3FPR

On 12/29/2018 6:03 AM, Barry wrote:
I think there's something more broken with Nabble, as there are 
plenty of

posts that include the model number in the title that aren't filtered
to the
correct subgroup.

I really wish management would join the 21st century and switch from
email
to a message board to eliminate all the useless emails for those of us
who
don't own every Elecraft product.

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Re: [Elecraft] Off-topic, but I need help.

[Dave Cole (NK7Z)]

Don,
That is exactly how I do it, and how long I take to trim...  I believe 
you can automate that process using the folder properties...  I tend to 
stay away from auto trimming, but I think it could be done... 
Thunderbird is wonderful...  My only carp is that it won't play a sound 
based on the filters...


73s and thanks,
Dave (NK7Z/NNR0DC)
https://www.nk7z.net
Award Manager, 30MDG Grid Contest
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 12/29/18 4:49 PM, Don Wilhelm wrote:

Phil,

Right you are!

My email is sorted automatically when it is received (I use Thunderbird 
although other email clients have similar capability).  I put it into 
separate folders with the filters based on something in the subject 
line.  For instance, I use a filter to place all email containing 
[Elecraft] into my Elecraft folder - that gets it out of my Inbox and 
into a folder that could be considered as my own "Elecraft Digest".
I can then read the posts one at a time and delete those not of 
interest, reply to those I want to comment on, or save for future 
reference.  Then I can do a SEARCH if I want to see posts referencing a 
particular topic (or individual).

It gives me a lot of flexibility.

Once a year or so, I trim off all posts older than a year old so the 
folder does not get too big.  I figure if I have not needed anything in 
over a year, I can delete it.


The filtering and searching tools provided by modern email clients give 
one a lot of capability.  It takes a bit of thought to set it up, but 
makes email quite sane and manageable once set up for your needs and 
desires.


Down with the bulletin boards, I can't find anything of value in those!
Nabble is almost as bad, and I don't use it unless I get a link of 
interest, but even then I usually don't find anything valuable there.


73,
Don W3FPR

On 12/29/2018 7:05 PM, Phil Kane wrote:

On 12/29/2018 12:14 PM, W2xj wrote:

It is just that too many do not seem to have fully grasped email 
after about 3 plus decades.


When one cuts one's teeth on torn-tape Telex/Teleprinter systems of the
1950s/60s, e-mail is the greatest thing since sliced bread.!  And I
don't have to send a line of BELLS to get the message center to ACK
receipt of the message!

Makes me want to fire up the K2 for the next RTTY contest..  :)


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Re: [Elecraft] AM Broadcasting

[Dave Cole (NK7Z)]

I worked in TV where we had one tower, and one antenna, and just 
downtilt to worry about...


73s and thanks,
Dave (NK7Z/NNR0DC)
https://www.nk7z.net
Award Manager, 30MDG Grid Contest
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 12/21/18 2:19 PM, Bob McGraw K4TAX wrote:
WOW!  12 towers.   I've only worked with a 3 tower directional array 
that was switched between 2 frequencies and 4 different patterns.   A 
small 100 KW shortwave transmitter and it too switched between the 2 
frequencies.    Flip the switch and hope that the TX quenched as it 
should, all switched as they should and came back up at 100 KW.   A bit 
u-nerving when all of this happened.   I do recall once there was a 
flash over in a tower switching unit which set the sagebrush on fire. 
Made for an exciting afternoon.


73

Bob, K4TAX



On 12/21/2018 10:26 AM, Raymond wrote:
The Phasor used by directional stations is not a matching unit. It is 
a power divider phasing unit as each tower gets different current, 
phase to develop the pattern. Each individual tower has an ATU.  The 
phasor for a 12 tower station is fascinating as is the pattern.

Ray
W8LYJ

Sent from my iPhone
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Re: [Elecraft] OT KH6JF/MM Update

[Dave Cole (NK7Z)]

Sorry to see it go, I got a QSL from it...

73s and thanks,
Dave (NK7Z/NNR0DC)
https://www.nk7z.net
Award Manager, 30MDG Grid Contest
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 12/18/18 3:32 PM, Howard Stephenson wrote:

It's QRT
http://www.jrfarc.org/hf-voyager/

Howard Stephenson K6IA
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Re: [Elecraft] Noise-cancelling Headphones Redux

[Dave Cole (NK7Z)]

Darn, I had to try...  I have an AL-1306, nice Amp, but not I suspect as 
nice as a KPA-500, or 1500...


73s and thanks,
Dave (NK7Z/NNR0DC)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 12/9/18 7:30 PM, eric norris wrote:

Dear Dave:

I asked my KPA1500 if she wanted to be your KPA1500.

There was a slight shudder from her front cloven hooves.  She went to 
FAN 5, wailing like a banshee, and all the LEDs flashed "NO NO NO" in 
Morse--at 15wpm so she was sure even I could copy.


"It's OK, baby!," I screamed above her shrieking fans, "I will never 
leave you!"


The pigsty I call my shack grew quiet.  As I pressed her POWER button, 
she quivered slightly, and I swear the power LEDs all lit one last 
time--and bent up into a slight smile.


Nice try, though.

73 Eric WD6DBM


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Re: [Elecraft] Noise-cancelling headphones mystery

[Dave Cole (NK7Z)]

As a guess, I would say the response of the mic used to derive the phase 
canceling audio does not adequately cover the audio noise spectrum of 
the 1500 puts out...  Thus it can't phase cancel very well...


That or your 1500 is filled with bad magic because it is supposed to be 
my KPA-1500 and it is mad at you.


73s and thanks,
Dave (NK7Z/NNR0DC)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 12/9/18 5:16 AM, eric norris via Elecraft wrote:

I have owned a pair of Heil noise-cancelling headphones for many years.  They 
worked very well to reduce the noise of my old AL-1200 amplifier, and the 5 
fans on my cantankerous man-killer Henry 2002A EME amplifier.  However, they 
are completely ineffective against the KPA1500.  I bought a pair of Bose 
noise-cancelling headphones recently, and they work much better but are a bit 
tinny and eat batteries.
My question for the audio experts on this list is why don't the Heils work with 
the KPA1500?  Does anyone have a recommendation for a pair of really good 
noise-cancelling headphones with a more flat response?
73 Eric WD6DBM

Sent from Yahoo Mail on Android
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Re: [Elecraft] More OT: Origin of the quad antenna Thanks Dave!

[Dave Cole (NK7Z)]

That's a pretty cool description of the antenna melting down...  :)

73s and thanks,
Dave (NK7Z/NNR0DC)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 12/6/18 10:27 AM, Ken G Kopp wrote:

In Bill Orr's book, there is a particularly vivid description of the
corona. The part of the description that I particularly enjoyed was this,

"...the elements of the doomed beam glowed with the heat of the arc and
turned incandescent at the tips. Large molten chunks of aluminum dropped to
the ground as the inexorable fire slowly consumed the antenna."

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Re: [Elecraft] Elecraft XG-1 Manual?

[Dave Cole (NK7Z)]

Check your direct email...

73s and thanks,
Dave (NK7Z/NNR0DC)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 12/6/18 7:12 AM, Frank Krozel wrote:

Anyone have a pdf for the ELECRAFT XG-1?
de KG9H
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Re: [Elecraft] OT: T2FD

[Dave Cole (NK7Z)]

Your premise would be correct...  :)

73s and thanks,
Dave (NK7Z/NNR0DC)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 12/5/18 4:39 PM, Ken G Kopp wrote:

It's my premise that there's nothing actually new in the
antenna world since the '30s … except the names.

73!

Ken - K0PP
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Re: [Elecraft] Flumoxed

[Dave Cole (NK7Z)]

I have one of the BWD-90 antennas up now, (at 25 feet), and use it for 
local contacts on HF daily...


DX is the vertical, soon to be a beam at 55 feet  I also use the 
BWD-90 for all the WARC bands, save 30, which is the vertical.


I also have a new in the box BWD-90, (copper version, not the steel 
version), as well...


Works well with a K3, as the rig is atmospheric noise limited.

73s and thanks,
Dave (NK7Z/NNR0DC)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 12/5/18 3:13 PM, Rose wrote:

Was originally known as a T2FD ...

Savvy marketing by B & W ...

73 !

K0PP

On Wed, Dec 5, 2018, 16:07 Fred Jensen 
Remember the B Wide-Band Folded Dipole, often found over National
Guard Armories, that's older than most of us?  Very broad band in the
middle of the HF spectrum, achieved with a 200 ohm [IIRC] resistor.
While no so good for hams, NG soldiers are not known for DX'ing and it
worked great for them over perhaps 4 or 5 working frequencies.  The
resistor burned half the power, and it also broadened the SWR curve
dramatically by swamping out the changing complex impedance at the
feedpoint.

Incidentally, B was completely up front about how the antenna achieved
such a broad band response in contrast with the claims of the "miracle
antennas" advertised in the magazines.

73,
Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County

On 12/5/2018 1:19 PM, N2TK, Tony wrote:

A number of years ago, the SWR on my shunt fed tower kept getting wider

and

flatter. The feedline buried hardline with an aluminum jacket.  The soil
here in upstate NY had eaten away the aluminum and produced a goo. When I
disconnected all the feedlines to the tower the shield on the 160M feed
showed a high resistance.
The shield of the other feedlines were providing the return path. So,

nice

SWR but not a very efficient antenna.
73,
N2TK, Tony



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Re: [Elecraft] KSYN3A Synthesizer

[Dave Cole (NK7Z)]

Hi,
I was actually very fortunate-- he upgraded from his Collins gear to the 
Elecraft K3, then to the new synthesizers.  He only got to use his K3 
gear for a year or so, then he passed suddenly.  His son in law got the 
K3, and loves it, so the rig got a good home.


73s and thanks,
Dave (NK7Z/NNR0DC)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 11/18/18 3:47 AM, Bill W4ZV wrote:

Spectacular results Dave!  You are indeed fortunate to have a good neighbor
who understands the issue and was willing to upgrade to the KSYN3A.  I can
think of several instances in my 61+ years on the air when I would have
loved to have both my neighbors and myself using KSYN3As.  This is
especially true on 160 where local signals are extremely strong (as in K0RF
being line-of-sight about 2 miles away).

Thanks for posting those results!

73,  Bill  W4ZV



--
Sent from: http://elecraft.365791.n2.nabble.com/
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[Elecraft] KSYN3A Synthesizer

[Dave Cole (NK7Z)]

I have put the results of comparing the old synthesizer to the new 
synthesizer up on the web page again.  They were removed in error a few 
months ago...


The page shows a series of P3 graphs showing two K3's about 900 feet 
apart, as they both moved from the old synthesizer to the new synthesizer.


There is really quite a difference between the old and new synthesizer.

See:

www.nk7z.net

First post, just click the header...

--
73s and thanks,
Dave (NK7Z/NNR0DC)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon
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[Elecraft] RFI Snapshots wanted...

[Dave Cole (NK7Z)]

Hi,

I have added an informal and unscientific survey asking if you have RFI 
at https://www.nk7z.net


Please take it if you have time.  It is a single question asking if you 
have RFI.  It is two posts down on the right side.  Sorry for no direct 
link to it, it is on the sidebar.


Also, if you have any screen shots of KNOWN RFI sources, please send 
them to me directly at my email address and I will include them on the 
RFI snapshot page at https://www.nk7z.net/rfi-snapshots/


--
73s and thanks,
Dave (NK7Z/NNR0DC)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon
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Re: [Elecraft] Confessions of grounding

[Dave Cole (NK7Z)]

Hi Lee,

When I got my K3 I rebuilt my shack from teh ground up, starting with 
the ground, with an eye to reduction of RFI.  I took a lot of Jim's, 
suggestions, and I lost about 2 S units of noise.  That process is 
detailed here:


https://www.nk7z.net/rebuilding-the-shack/

73s and thanks,
Dave (NK7Z/NNR0DC)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 10/12/18 9:47 AM, Leroy Buller wrote:

Ok, I just rebuilt my station and wonder how many of you actually ground
your K3 or your rig?  I have the amp and tuner grounded, but I find
grounding the K3 somewhat difficult.  Why?  Getting my fat ham fingers to
the rear if the rig and tighting up the knurled knob with stiff wire is
quite infuriating.  All the connecting cables are in the way and it just
trips my trigger.  Then being able to reach over all the doodads and
geegaws to attach ground is a frustration of mine.  Many years ago it was
good practice to use solid wire but now i see others using braid.  Stiff
wire adds to my frustration.   So, for my mental health I would like some
suggestions or ideas how best to deal with this.  I know...suck it up.
There has got to be a better way.

Lee K0WA
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Re: [Elecraft] OT -- Sunspot Cycle 25

[Dave Cole (NK7Z)]

Ted,
Thanks for sharing that info...  Bad as it seems...  Hopefully it turns 
out to be not what happens...


73s and thanks,
Dave (NK7Z/NNR0DC)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 10/9/18 10:37 AM, Dauer, Edward wrote:

For those who do not take CQ magazine, there is an article this month very much 
worth reading.  It summarizes recent findings about the forthcoming sunspot 
cycle and its effect on propagation.  To quote from the reported studies,  “ . 
. . the start of Cycle 25 could be delayed to 2021 or 2022 and will be very 
weak, if it even happens at all . . . .  this (Cycle 24) could be the last 
solar maximum we’ll see for a few decades . . . .”  Guess I’d better gear up 
for FT8.

I personally cannot assess the quality of the research nor its full 
implications.  Just thought I would alert others who may be interested to the 
article.

Ted, KN1CBR

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Re: [Elecraft] Choice of CW pitch

[Dave Cole (NK7Z)]

I had a hearing test a year, or two ago.  I looked at the test results 
and selected a frequency, looking for good response in both ears.  I 
then adjusted the K3 beat note to that frequency, which put the 
frequency of the beat tone in the sweet spot for my ears...  It also in 
general got most stations I was working at that frequency.


It made a noticeable difference for the better in weak signal decoding 
for CW for me...  YMMV.


73s and thanks,
Dave (NK7Z/NNR0DC)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 9/22/18 4:40 AM, Drew AF2Z wrote:
When you've got a weak signal peaked in a narrow filter or APF, that's 
the time you'd like to optimize the pitch. Adjusting the VFO/RIT for a 
different pitch is not really an option at that point.


You're right though, PITCH as implemented is mainly meant to pick your 
favorite tone and pretty much stick with it; not for trimming up 
individual signals like you would with AF/RF gain.


73,
Drew
AF2Z




On 09/22/18 07:11, Nr4c wrote:

Come on!!!

I adjust the “pitch” to suit my hearing. The pitch of the incoming 
station is adjusted by the VFO!  The “Spot” button will get you close 
to Zero-Beat. A little XIT will separate you from others who Zero-Beat 
him in a pile-up.


Sent from my iPhone
...nr4c. bill



On Sep 22, 2018, at 6:39 AM, Drew AF2Z  wrote:

Yes, the K3 cw pitch is easy to set tailor for hearing response and 
speaker/headphone response; at least easier than the K2. For my K2 I 
had written down the filter calibrations for a number of different 
pitches so that I could change them on the fly while operating; I 
recall it took less than a minute to dial one of them in...


But if you want to adjust the pitch to suit current band conditions, 
filter width and wpm speed of the station you are trying to copy, the 
K3 is not easy at all.


Let's assume that for any combination of these variables there is 
some optimum CW pitch between 300 - 800 Hz. How do you find that 
pitch for a particular CW signal? There is no easy way because 
whenever you push the PITCH button you can no longer hear the station 
your are trying to optimize. You would have to try every pitch 
selection individually, 300, 310, 320, etc., and somehow remember 
which was the best. Obviously, not a practical way to dial in the 
optimum value.


73,
Drew
AF2Z



On 09/21/18 22:02, Erik Basilier wrote:
The ease of changing CW pitch in the K3 is indeed a great asset in 
setting
things up for best copy, and I have found myself using it quite a 
few times.
The immediate reason to change pitch has usually been a perception 
that with
the existing setting, the best copy pitch does not exactly coincide 
with the
CW tuning indicator (another great CW asset of the K3), or with the 
peak DSP
filter response. Many times this has led me to change the pitch 
setting by a
small amount, whether my general preference du jour is for a low or 
higher
pitch. To make such an adjustment I like to set a wide DSP bandwidth 
and
slowly tune through a received signal. The apparent loudness doesn't 
stay
constant, nor does it follow a smooth variation that I attribute to 
my own
hearing response. Instead I hear peaks within range of piches that 
would be
reasonable for CW, that I attribute to the speaker and its 
surroundings. (I
would say that since I went to the SP3, there is less of this 
variation, but
no matter how good the speaker, there will always be such variations 
because

objects around the speaker cause reflections. Phones will always be the
better approach) Rather than adjusting the pitch to some value
considered ideal based no prior considerations, I set it for a peak 
in the
accoustical response of the particular speaker and its surroundings. 
Then

going back to normal DSP selectivity I generally find better agreement
between perceived loudness and centering the received signal in the
passband, at least until I move things around in the shack...
73,
Erik K7TV
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Re: [Elecraft] K3: Audio settings

[Dave Cole (NK7Z)]

Don,

I have some P3 displays of what happens when two stations upgrade to the 
new Synthesizers at:


https://www.nk7z.net/

Just select the top blog entry.  There are some P3 graphs there showing 
just how much improvement the new synthesizers actually add.  Two of us 
upgraded, and we did it in stages, I managed to document most of the 
changes in steps, showing the RX station, then the TX stations, etc.  It 
was all quite interesting, and a big improvement as the numbers show.


73s and thanks,
Dave (NK7Z/NNR0DC)
https://www.nk7z.net
ARRL Technical Specialist

On 09/03/2018 08:40 AM, Don Wilhelm wrote:
The new synthesizer will get you the most "bang for the buck" 
improvement in the K3 RF performance



73,
Don W3FPR

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Re: [Elecraft] WWV/WWVH Closure

[Dave Cole (NK7Z)]

Mail wrapping cut off the end for you...

73s and thanks,
Dave (NK7Z/NNR0DC)
https://www.nk7z.net
ARRL Technical Specialist

On 08/19/2018 11:08 AM, Clay Autery wrote:

Error 404 on that link...

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(318) 518-1389

On 19-Aug-18 12:30, Tom Lizak wrote:

This may not be the appropriate place for this but need to have amateur
radio ops read this as many rely on the "time standards" for our radios.


"NIST station WWV and sister stations are among the oldest radio 
stations in
the United States, having been in continuous operation since May 1920. 
The
station has transmitted the official US Time for nearly 100 years, and 
is an
instrumental part in the telecommunications field, ranging from 
broadcasting
to scientific research and education. Additionally, these stations 
transmit

marine storm warnings from the National Weather Service, GPS satellite
health reports, and specific information concerning current solar 
activity,
and radio propagation conditions. These broadcasts are an essential 
resource
to the worldwide communications industry. This petition requests 
continued
funding of these stations be maintained into the 21st century and 
beyond to

ensure future operations."


They need 100K signatures by 15Sep2018...gonna be tough !


Here is a link to the petition if you wish to sign it:
https://petitions.whitehouse.gov/petition/maintain-funding-nist-stations-wwv 


-wwvh


No flames, please !


73

Tom/K1TL...



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Re: [Elecraft] Summary: Genovation keypad & K3/K3S

[Dave Cole (NK7Z)]

Hello Stefan,
I remember running into some roadblock in doing this, but I don't 
remember what it was now...  I initially wanted to connect directly to 
the K3 as well.  I think it was if you had a P3 SVGA, it worked better. 
If you get things running on just the K3 send me the info, and I'll add 
it to the web page at:


https://www.nk7z.net/adding-external-keypad-k3/

as an addendum to the Genovation page, of course giving you credit for 
the work.


73s and thanks,
Dave (NK7Z/NNR0DC)
https://www.nk7z.net
ARRL Technical Specialist

On 08/14/2018 03:06 AM, Stefan von Baltz, DL1IAO wrote:

I did get one reply on this topic. Dave NK7Z has already documented nicely on 
his website how to connect a Genovation keypad to the P3. The question was how 
to connect it directly to the K3/K3S, if possible at all, in order to free the 
P3’s USB-port.

A pre-Genovation "button box" was hooked up to the K3’s RS232 port. It uses its internal memory to 
store the macros and not the available K3 macros. In order to be able to get the K3 to recognize and share 
several RS232 ports LP-BRIDGE is used to create several virtual serial ports. CAT on one of the virtual 
serial ports and the "button box" to another. One has to bridge the real "button box" to 
another of the LPBRIDGE created virtual ports, e.g. with a software called VSPE.

It will be up to experimentation if a Genovation keypad can be connected in a 
similar way. The difference is that the internal K3/K3S memories have to be 
used.


73,

Stefan DL1IAO, SA3CWW/SM9A

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[Elecraft] Looking for RFI screen shots...

[Dave Cole (NK7Z)]

Hi,

I am looking for any KNOWN RFI source screen shots from a P3.  They will 
go into the RFI Snapshots page at:


https://www.nk7z.net/rfi-snapshots/

If you have one or two images of known RFI sources, please send them to 
me OFF LIST, with any information you have, and I will include them in 
the ever growing set of images.


--
73s and thanks,
Dave (NK7Z/NNR0DC)
https://www.nk7z.net
ARRL Technical Specialist
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Re: [Elecraft] HRD slow accessing K3 frequency controls

[Dave Cole (NK7Z)]

Bill,
Please let me know if you see slow comms between the K3 and otehr 
programs.  I am seeing that in some cases.


73s and thanks,
Dave (NK7Z/NNR0DC)
https://www.nk7z.net
ARRL Technical Specialist

On 08/10/2018 09:41 AM, Bill wrote:

I have tried and tested everything mentioned and a load more. Results:

Primary Computer is solid - working properly
Laptop using a converter to RS232 - also working properly
HRD performs properly with my TS480 with either computer
HRD fails with the K3 on either computer (symptoms already discussed in 
prior postings)
K3 is fully updated and no connection changes have been made in over 6 
months except to test

  (replaced all lines for testing purposes)
K3 is currently operated using a Genovation and K-Pod - works wonderful!!!

At this point I am done wasting time on using HRD for the K3. For 
whatever reason, it does not perform as I expect. I can use it - just 
not expect to do multiple QSYs at a fast pace (such as checking various 
net frequencies quickly). Others mileage may vary.


Bill W2BLC K-Line


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Re: [Elecraft] HRD slow accessing K3 frequency controls

[Dave Cole (NK7Z)]

Hi,

I too have had issues with the serial port speed of my K3 as well.  My 
issues are when using MixW though, not HRD.  When I switched from my 
Icom 756 PROIII to the K3, (using MixW), I was appalled at the loss in 
speed for rig control.  I have never fully resolved this issue, and will 
be most interested in this thread as it progresses...


I too am running Linux, but I also keep Windows around for a few 
programs as well, so our setups are similar.


For no real good reason I suspect it is the K3 itself that is slow... 
Only because I have spent countless hours trying to correct the issue 
only to have never fully resolved it.  This leaves the K3...  Not a real 
good reason to suspect it, but I do.


73s and thanks,
Dave (NK7Z/NNR0DC)
https://www.nk7z.net
ARRL Technical Specialist

On 08/08/2018 09:13 PM, Bill wrote:
Computer has a serial board with two ports. One for the K3 (P3) and one 
for the 480. Not used for anything else. No adapters.


Pulled a two month old backup SSD out of the safe. No go - did not work 
then either.


I am sure the computer is busy doing something - which I don't know 
about - causing a resource hog delay.


This is why 99% of the time, I am running Linux Mint. But, the number of 
programs that really are good for ham radio and work on Linux is small. 
Most of the stuff is garbage. So I keep Windows around.


I did find an Apple driver update - took it out and noticed no difference.

This is becoming one of those things that is taking more time than it is 
worth. I think this is how MS wear their customers down. Long live Linux!


Bill W2BLC


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Re: [Elecraft] OT: Massive opening on 10 and 6 meters right now...

[Dave Cole (NK7Z)]

From Eugene, OR, north of Cannon Beach, I can hear a lot of 6 meter 
stations, CA, AZ, NV, CO, WY...


73s and thanks,
Dave (NK7Z/NNR0DC)
https://www.nk7z.net
ARRL Technical Specialist

On 08/02/2018 10:00 AM, Cameron Francey wrote:

Looks like here in Cannon Beach on the currently wet Oregon coast I can hear a 
good number of CW beacons on 10m, all from CA.  I don’t have 6m (K2 only here)
Put a few calls out on the key and was spotted in Nevada.  Will keep an eye out 
and maybe make another attempt shortly.

Thanks for the notification.


Cameron – AF7DK



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Re: [Elecraft] FS: N-Gen Module

[Dave Cole (NK7Z)]

Assuming shipping is included, I will take it, what is your PP address 
please?


73s and thanks,
Dave (NK7Z/NNR0DC)
https://www.nk7z.net
ARRL Technical Specialist

On 08/01/2018 06:55 PM, Leroy Buller wrote:

For Sale:  N-Gen Wide Band Noise Generator

$50.00

PayPal OK

Lee Buller  K0WA
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Re: [Elecraft] Genovation keypad & K3/K3S

[Dave Cole (NK7Z)]

Hello Chuck,

If you are referring to the keypad I used in making the 48 key macro 
launcher, I used the CP48 USBHID, as described in line 4 of the page 
located at:


https://www.nk7z.net/adding-external-keypad-k3/

There is a link to the device on that page as well.  Remember, this 
plugs into the P3/SVGA, not the K3 as you originally asked.


The only difference I see today, is the current version is version 2.0, 
while I used version 1.1.  I suspect this is just a software change, 
which will make no matter if so.  I have the keypad image to update the 
keypad which makes it P3 compatible on my site as well.


You will need to have the P3/SVGA to make this work.

73s and thanks,
Dave (NK7Z/NNR0DC)
https://www.nk7z.net
ARRL Technical Specialist

On 07/29/2018 02:54 PM, hawley, charles j jr wrote:

So I've been looking at the these keyboards on the sites.

I find the CP48 USB UHID and the CP48 USB VS and the CP48 DB9S
So the one I want is the CP48 UHID one?
Just to be sure...

Thanks,
Chuck
c-haw...@illinois.edu
Amateur Radio, KE9UW

From: elecraft-boun...@mailman.qth.net [elecraft-boun...@mailman.qth.net] on 
behalf of Dave Cole (NK7Z) [d...@nk7z.net]
Sent: Sunday, July 29, 2018 10:23 AM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Genovation keypad & K3/K3S

Here is a complete how to, with software, and macro list:

https://www.nk7z.net/adding-external-keypad-k3/

I will be interested to see if a hub can be implemented.

73s and thanks,
Dave (NK7Z/NNR0DC)
https://www.nk7z.net
ARRL Technical Specialist

On 07/29/2018 07:09 AM, Stefan von Baltz, DL1IAO wrote:

Taking the P3 discussion one step further:
Based on the positive experience of other K3/K3S users I have ordered a 
Genovation CP24 keypad to implement band buttons and change AGC settings on the 
fly. Now, as I understand the P3 cannot handle more than one USB device and if 
Elecraft ever adds mouse support to the P3 the Genovation keypad cannot be used 
at the same time.

Has someone succeeded to connect the Genovation or another keypad directly to 
the K3/K3S instead of the K-Pod?
If not, is there a chance this functionality can be added?

Maybe something like a A/B USB-switch to choose between a mouse or keypad in 
junction with the P3 could be a solution.


73,

Stefan DL1IAO, SA3CWW/SM9A


--
Stefan v. Baltz
dl1...@contesting.com
http://www.dl1iao.com





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Re: [Elecraft] Genovation keypad & K3/K3S

[Dave Cole (NK7Z)]

Sorry,
Mis read your question, my date connects to the P3, not the K3.

73s and thanks,
Dave (NK7Z/NNR0DC)
https://www.nk7z.net
ARRL Technical Specialist

On 07/29/2018 07:09 AM, Stefan von Baltz, DL1IAO wrote:

Taking the P3 discussion one step further:
Based on the positive experience of other K3/K3S users I have ordered a 
Genovation CP24 keypad to implement band buttons and change AGC settings on the 
fly. Now, as I understand the P3 cannot handle more than one USB device and if 
Elecraft ever adds mouse support to the P3 the Genovation keypad cannot be used 
at the same time.

Has someone succeeded to connect the Genovation or another keypad directly to 
the K3/K3S instead of the K-Pod?
If not, is there a chance this functionality can be added?

Maybe something like a A/B USB-switch to choose between a mouse or keypad in 
junction with the P3 could be a solution.


73,

Stefan DL1IAO, SA3CWW/SM9A


--
Stefan v. Baltz
dl1...@contesting.com
http://www.dl1iao.com





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Re: [Elecraft] Genovation keypad & K3/K3S

[Dave Cole (NK7Z)]

Here is a complete how to, with software, and macro list:

https://www.nk7z.net/adding-external-keypad-k3/

I will be interested to see if a hub can be implemented.

73s and thanks,
Dave (NK7Z/NNR0DC)
https://www.nk7z.net
ARRL Technical Specialist

On 07/29/2018 07:09 AM, Stefan von Baltz, DL1IAO wrote:

Taking the P3 discussion one step further:
Based on the positive experience of other K3/K3S users I have ordered a 
Genovation CP24 keypad to implement band buttons and change AGC settings on the 
fly. Now, as I understand the P3 cannot handle more than one USB device and if 
Elecraft ever adds mouse support to the P3 the Genovation keypad cannot be used 
at the same time.

Has someone succeeded to connect the Genovation or another keypad directly to 
the K3/K3S instead of the K-Pod?
If not, is there a chance this functionality can be added?

Maybe something like a A/B USB-switch to choose between a mouse or keypad in 
junction with the P3 could be a solution.


73,

Stefan DL1IAO, SA3CWW/SM9A


--
Stefan v. Baltz
dl1...@contesting.com
http://www.dl1iao.com





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Re: [Elecraft] BNC T for IF Out

[Dave Cole (NK7Z)]

I just bought one off of ebay, for around 20 bucks...  Go to ebay and 
look for mini-circuits.  When you find something, Google that part 
number and you can discover what it is...


73s and thanks,
Dave (NK7Z/NNR0DC)
https://www.nk7z.net
ARRL Technical Specialist

On 07/26/2018 06:45 PM, John Simmons wrote:

You should use a splitter with isolation. Mini-Circuits sells them.

-John NI0K


Leroy Buller 
Thursday, July 26, 2018 8:38 PM
Stupid Question of the Month.

Is it possible to use a BNC T to drive P3 and a SDRPlay at the same time?
Is there enough drive to do this?

Back to your regular programming.

Lee K0WA
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Re: [Elecraft] S Meter Lite Problem

[Dave Cole (NK7Z)]

You are most welcome!

73s and thanks,
Dave (NK7Z/NNR0DC)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Official Observer Coordinator, for Oregon

On 07/21/2018 07:11 AM, Steve Mollman via Elecraft wrote:

Problem solved.  Thank you to NK7Z-Dave Cole, who walked me through the correct 
configuration and as a bonus offered tips on the program's features.  All is 
well!

Steve Mollman-KD9HL

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Re: [Elecraft] S Meter Lite Problem

[Dave Cole (NK7Z)]

Hi Steve,
I can confirm it works on a K3.  I'll shoot you my phone via private email.

73s and thanks,
Dave (NK7Z/NNR0DC)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Official Observer Coordinator, for Oregon

On 07/20/2018 09:23 AM, Steve Mollman via Elecraft wrote:

I have been trying to run Greg Ordy's S Meter Lite 2.23 on my K3 and can't get 
it to run.

When I hit the "run" button the transmitter is keyed for a few seconds and then I get a 
message "Radio not connected or turned on. Perhaps some portion of the configuration is 
incorrect. Error-Read  File count check failed."
I have tried different baud speeds, DTR and RTS combinations of on/off, etc. 
and I believe every combination of options that are available when setting the 
configuration.  All to no avail.   I have tried it with Windows 7, Windows XP 
and even an old  Windows 2000 computers.  The same results with all.

The K3 has the latest firmware installed (MCU 5.62).  Other programs such as 
the K3 Utility, K3-EZ and logging programs connect without a problem. (They are 
not connected when I try to run S Meter Lite).
Does anyone have any ideas as to how to get theis program to run?
Steve MollmanKD9HL

  
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Re: [Elecraft] Back up power

[Dave Cole (NK7Z)]

I run my entire station save the amp off of a hefty UPS.  If we lose 
power, I break out the Honda generator and that runs the house, and 
keeps the UPS charged.


The house is gas, and the only real power eater is the Dryer.

73s and thanks,
Dave (NK7Z/NNR0DC)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Official Observer Coordinator, for Oregon

On 07/19/2018 09:21 AM, Don Roberts via Elecraft wrote:

Living in Sebring Florida and having survived ground zero for three cat 2 to 3 
hurricanes in 13 years including Irma, I have had good results running a back 
up generator shared with my next door neighbor.
I have switched from whole house AC to mini splits. My Florida room has a 110v 
minisplit by Desuki that I was able to use to keep the room at 72 degrees 
during a 10 day power outage.
On the same line I ran plugin lights in the room, tv system, line to main house 
refrigerator, and into my shack to run my K-line barefoot, where I relayed 
weather info between county EOC and National Weather Center, as well as traffic 
into and out of National Hurricane Center.
My wife and I enjoyed our two recliners in comfortable conditions until the 
power was restored. The AC mini splits have now replaced my central AC in the 
whole house and my utility bill has dropped by one third.
73, DonW4CBS

Sent from Yahoo Mail on Android
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Re: [Elecraft] KPA500 thermal clicks

[Dave Cole (NK7Z)]

yes...  Weak Signal, not low power.  The EME boys use 1 KW.

73s and thanks,
Dave
NK7Z
https://www.nk7z.net

On 07/17/2018 07:15 AM, turnbull wrote:

I thought FT8 was a low power mode.   Am I wrong?   I am not referring to Fox 
Hound mode.
73 DOUG EI2CN


Sent from my Samsung Galaxy smartphone.
 Original message From: Michael Blake via Elecraft  
Date: 17/07/2018  14:12  (GMT+00:00) To: Nr4c  Cc: Elecraft Reflector 
, ANDY DURBIN  Subject: Re: [Elecraft] KPA500 
thermal clicks
While possibly my imagination, after a few months of use I loosened all of the 
Z bracket to heatsink screws and side panel to heatsink screws and then 
retightened all of them plus the top cover to Z bracket screws.  That seemed to 
reduce the clicking.

Very 73 - Mike - K9JRI





On Jul 17, 2018, at 9:05 AM, Nr4c  wrote:

“Clicks” caused by the “Z” bracket are well documented and normal. Personally, 
I don’t find this “intolerable” or even slightly annoying. My wall clock 
“ticks” every second.

Sent from my iPhone
...nr4c. bill



On Jul 17, 2018, at 7:56 AM, ANDY DURBIN  wrote:

The clicking of my KPA500 is almost intolerable and I'd like to know if what 
I'm experiencing is typical.


In an FT8 TX/RX cycle  with output power 126 W my KPA500 clicks 7-8 times 
during 15 second transmit and 7-8 times during 15 second receive.  In these 
TX/RX cycles my logger shows the finals temperature swings between 57 deg C and 
63 deg C.   During  this test the KPA500 was seeing an SWR of 1.02:1  and 
calculated PA dissipation was 307 W.


I don't think this temperature swing is likely to cause the heat sink to expand 
and contract significantly.  The thermal mass of the heat sink is quite large 
and the heating and cooling periods are short.    The first click happens 
almost as soon as the KPA500 is keyed.


I think it is possible that the clicks are caused by expansion and contraction  
of the finals at their mounting points.   Is that likely and, if so, why would 
it be considered normal?


73,

Andy k3wyc
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Re: [Elecraft] SDRPlay connection to K3S

[Dave Cole (NK7Z)]

Joe,
Got a recommendation for one commercially?

73s and thanks,
Dave
NK7Z
https://www.nk7z.net

On 07/17/2018 07:16 AM, Joe Subich, W4TV wrote:


You will need a (hybrid) splitter ... connect the common port of
the splitter to the RX ANT Out jack, connect one output of the
splitter to RX ANT IN and connect the other output of the splitter
to the SDRPlay antenna jack.

A splitter is necessary to keep one receiver from loading the
other resulting in loss of sensitivity.  The receivers (K3, SDRPlay)
do not have identical input impedance across their range and one
receiver or the other can become (relatively) deaf on certain
frequencies depending on the characteristics of the input circuits.

There are those who will say use a BNC T ... that may or may not
be satisfactory depending on cable lengths and receiver input
characteristics.  Unlike a hybrid splitter, the BNC T connector has
no isolation between output ports which allows spurious signals
generated in one receiver to be coupled directly into the other.

73,

    ... Joe, W4TV


On 2018-07-17 9:16 AM, Steve Muenich wrote:

Hello gang,

Is there a proper port on the K3S to connect a SDRPlay that would 
allow for sharing the main antenna while receiving, then be 
disconnected and isolated when the K3S go into transmit?


Thanks
Steve, NA5C
K3S 10121


Sent from my mobile device
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Re: [Elecraft] Bump: P3: Macro trigger question...

[Dave Cole (NK7Z)]

Hello Bob,

Thank you for taking the time to help!

On 07/16/2018 10:20 PM, Bob Wilson, N6TV wrote:
At first I was confused because the phrase "trigger character" does not 
appear in the P3 or K3 manuals.  I guess you are connecting a USB 
keyboard to a P3's USB port (P3SVGA option must be installed), then 
using the P3 macro entry window (Ctrl-Alt-M) to save a macro and assign 
it to "Recall Key" on the PC keyboard.

Answer:
That is correct, I am connecting a USB keyboard to the back of the P3. 
I am using the term trigger as you are using the term recall key.


On 07/16/2018 10:20 PM, Bob Wilson, N6TV wrote:
Are there any (perhaps empty) text messages currently assigned to 
F9-F12?  Press Ctrl-Alt-T to enter the Text Message Entry window.  Maybe 
there's a conflict?

Answer:
That may be the problem, I was unaware the P3 would hold a message 
different than a macro, and allow assigning that message to a trigger 
character!  I will check.


On 07/16/2018 10:20 PM, Bob Wilson, N6TV wrote:
Are you saying that you created a P3 macro using Ctrl-Alt-M, assigned to 
to recall key F1 on the USB keyboard (not FN1 on the P3), and it works 
fine, but when you assign the same macro to F9 - F12, it doesn't work, 
or it won't let you save the assignment?

Answer:
Yes, when I create a macro for keyboard F1, I see that character entered 
into the window on the P3 as the trigger character.  If I backspace and 
enter F2 it works as well.  If I were to continue it would accept the 
rest of the macro.  If however I backspace, (after entering say an F1), 
and enter F8, the F8 entry is simply ignored as if I never typed a 
character, same for F9-F12.  If I backspace and type F5 it works.  THis 
is all using just the backspace key.  Anything between F9 and F12 is not 
even accepted into the P3 and shown on the macro trigger display.


On 07/16/2018 10:20 PM, Bob Wilson, N6TV wrote:
Are you using a USB connection to the K3S, with CBLP3Y connected to the 
P3 port?  It should work the same as the legacy serial port connection.

Answer:
I do not know.  This is a friends rig, so I am unaware of his P3/K3 
connection.  I had assumed it was the same as my non S K3.  I will check.


Thanks again for the help here sir, you have given me two things to 
check I was unaware of!  I will post results in a few days after I get 
back to his home!  Thank you again!


73s and thanks,
Dave
NK7Z
https://www.nk7z.net
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[Elecraft] Bump: P3: Macro trigger question...

[Dave Cole (NK7Z)]

Hi,

I am working with a friend to assist him in getting his K3S/P3 set up 
for macros...  I was attempting to input a macro trigger character, 
using the Function keys F1-12 as the triggers.  F1-F8 work fine as 
triggers, it appears that his K3S/P3, both running current software, 
does not accept F9-F12 as trigger keys.  The P3 simply ignores those 
characters while in MACRO MODE and inputing a macro and its trigger, if 
I change nothing, and press F1 it is accepted as a trigger...


My K3, (NON S), and P3, (both with current software), take those 
characters.  Is there something different with the K3S/P3 that might 
cause this?


--
73s and thanks,
Dave
NK7Z
https://www.nk7z.net
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[Elecraft] P3: Macro trigger question...

[Dave Cole (NK7Z)]

Bump...

Hi,

I am working with a friend to assist him in getting his K3S/P3 set up 
for macros...  I was attempting to input a macro trigger character, 
using the Function keys F1-12 as the triggers.  F1-F8 work fine as 
triggers, it appears that his K3S/P3, both running current software, 
does not accept F9-F12 as a trigger keys.  The P3 simply ignores those 
characters while in MACRO MODE and inputing a macro and its trigger...


My K3, (NON S), and P3, (both with current software), take those 
characters.  Is there something different with the K3S/P3 that might 
cause this?


--
73s and thanks,
Dave
NK7Z
https://www.nk7z.net

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[Elecraft] P3: Macro trigger question...

[Dave Cole (NK7Z)]

Hi,

I am working with a friend to assist him in getting his K3S/P3 set up 
for macros...  I was attempting to input a macro trigger character, 
using the Function keys F1-12 as the triggers.  F1-F8 work fine as 
triggers, it appears that his K3S/P3, both running current software, 
does not accept F9-F12 as a trigger keys.  The P3 simply ignores those 
characters while in MACRO MODE and inputing a macro and its trigger...


My K3, (NON S), and P3, (both with current software), take those 
characters.  Is there something different with the K3S/P3 that might 
cause this?


--
73s and thanks,
Dave
NK7Z
https://www.nk7z.net
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