OK, maybe the bet was a bit one sided, as most SM PSU's are made
in China and THEY produce EMI not the analogue ones.
How can the purchaser be responsible? They don't design and
manufacture the item !
EMC rules on these PSU's are very clear. If however, the
manufacturer chooses to omit vital EMI
Actually the purchaser does have the ability to decide on the importance
of the EMI signature. Many of the laptop products only have to stand up
to the A standard. Where as some companies have tougher requirements
and require things to stand up to a higher standard.
I work for a company that
I run QRP out of practical necessity. I'm forced to use attic antennas and I
don't wish to induce more RF into the domestic electrical equipment (or me,
for that matter) than I absolutely have to.
Nevertheless, I'm thinking about getting a KPA3, because it probably will
never be cheaper than it
VR2BrettGraham wrote:
G3RXQ asked F4FNT about the Dell OEM UPS (probably
meaning power supply) for his laptop that made noise
G4ILO then added:
Actually it was Stewart G3RXQ who asked if the PSU was made in China.
I don't have anything against products made in China. Just about
From my understanding of it the radio has the KPA3 switched out of the
loop until you cross the 12W mark. Then it starts actually putting it
into the signal path. Until you crank the power up beyond 12Watts the
KPA3 is nothing more than an added current drain. But if you turn
things up to 12 or
G4ILO wrote:
I'm just wondering if there are any advantages to using the PA when
running QRP. As I understand it, the PA is switched out of circuit until
you dial the power above 10W, just as in the K2.
The switch point in the KPA3 is actually 13W. For 12 and less
it'is
I wonder if there is a good reason why the REV function couldn't be allocated
to one of the ACC pins and operated by a foot switch.?
For those ofcourse that don't want to use a foot switch for PTT and/or
haven't got the second RX on order...(like me)
Stewart Rolfe, GW0ETF
Lee Buller
It makes no RFI at all that bothers you in your situation. The only
product that produces no RFI at all is the pet rock. Its all just a
matter of degree.
On Mon, 2008-03-17 at 02:37 -0700, G4ILO wrote:
It is a very high quality product and creates no RFI at
all.
I don't remember seeing the pint of beer in the assembly manual or the
inventory - looks like Lisa missed packing that in my K3 :-(
73 de M0XDF, K3 #174
--
He who asks is a fool for five minutes, but he who does not ask
remains a fool forever. -Chinese proverb
On 17 Mar 2008, at 04:01, Wim
GW0ETF wrote:
I wonder if there is a good reason why the REV function couldn't be
allocated to one of the ACC pins and operated by a foot switch.?
For those ofcourse that don't want to use a foot switch for PTT and/or
haven't got the second RX on order...(like me)
Good idea! I
TF3KX wrote:
the IF chain. An interesting thing is that I hear this signal much weaker
in the K2 audio when I touch it to the INPUT of IF-amp U12 (MC1350) than to
its OUTPUT. In other words, that IF amp does not amplify, but rather
attenuate the injected signal. I have re-checked all
You can't float the laptop power supply. The neutral
pin of the plug is connected to the supply ground
point as well as the ground pin. There is no ground
point on a plastic lap top for the station ground.
The only way to float the computer is to unplug the
charger, which did work, but only
Thanks to: Michael - DC0ZO AL - WA6VNN
Switch off, then press and hold the keys 4,5,6 and switch on. This will
reset your K2 (see Manual page 102)
That resolved my issue. I only had a few minutes before work this
morning to test it... but things are looking good now. I will try to
finish
For those with old worn out phillips tip screwdrivers
http://store.richspsxparts.com/0phsctoopps2.html
$6 for set, shipping included.
These are not jeweler's sized but rather hand sized screwdrivers.
K3KO
--
View this message in context:
Brett Howard wrote:
California is now
outlawing the use of unregulated transformer based linear supplies in
new products.
Oh, great.
Although as you point out it is possible to make a quiet switcher, it's
also cheaper to make one that will wipe out everything for a 100-yard
radius. Let
The only product that produces no RFI at all is the pet rock.
Even rock has a radiation signature..
BTW - If you are worried about radiation, don't do a walking tour of
Edinburgh, Scotland... Granite is 'radio' active
--
Dave G. KK7SS
'65 MK III Sprite in Richland, WA
Two things are infinite,
I have a few basic DXCC questions and hope someone on
the list could help me?
If you have lived in multiple locations does that
matter?
If you have had multiple calls how does that work?
How far back can you go for old QSL cards?
Can I go back to the early 1970's as a Novice?
Thanks for the
Hi Julian
There is one drawback, however.
Increased current drain, even though the KPA3
is not in use at QRP levels. If this isn't a
problem for you, then go right ahead.
However, if you want to take your K3 out to
the field for a Field Day operation, that
extra drain can create battery problems.
Hi Norm
Living in multiple locations does not seem to be
a problem, as long as they were all within the same
DXCC entity, in our case, the continental US.
I think you have a choice of what call you apply
for your DXCC under. I worked mine as W0KMF
when I lived in Iowa, but have N6WG now.
When I
Hi, Norm!
First, here is the URL for the DXCC rules on the ARRL web site:
http://www.arrl.org/awards/dxcc/rules.html
For DXCC, if your multiple locations are within the same DXCC entity, it
doesn't matter. You can move from California to New York and you're in the
same DXCC entity, so all your
The countries that no longer exist do not count for
DXCC. They will credit you, but count only current
countries toward the official count, I think. I am
not totally sure about for the initial 100, but I am
certain about when you start working for the Honor
Roll.
I have been DXing for 52 years
Does the K3 come with the Anderson power poles already installed or at
least in the kit?
Tnx
Tom
CX7TT
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People talk about the extra current drain. How much
is it? I don't have my K3 yet to make any tests and I
seldom run QRP (only when the other station wants 2
way QRP), but it would be of interest to us all if
anyone had measured the current draw of the K3 at
receive with and without the KPA3,
Hi
The K3 has a PowerPole connector on the back of the radio and includes a kit to
build up a 5 ft cable to plug into the radio. The power supply end is not
supplied so you will need to connect the bare wires to your power supply or
supply your own connector for your power supply. The cable
Tom,
You will have to heat up the soldering iron for this one. They give you the
connectors and cable...no fuses or fuse holders. You will have to crimp and
solder.
Lee
K0WA
In our day and age it seems that Common Sense is in short supply. If you don't
have any Common Sense - get some
Deleted countries -do- count for DXCC, assuming
one has them confirmed, of course. (:-))
In theory, a relative new-comer to DX'ing can never
reach the same country count as the older participants
because the older op's have countries credited that the
new applicants can never work.
73! Ken
The connector was *not* installed on the cable in my K3 kit.
73, Ken K3IU
[EMAIL PROTECTED] wrote:
Does the K3 come with the Anderson power poles already installed or at
least in the kit?
Tnx
Tom
CX7TT
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Post to:
Yes Julian - you are right. There is no advantage in having a KPA3 for QRP
working. In fact, there is a bit of a disadvantage as it takes up space in
the case which you might be able to use for something else, like a battery
or a VHF transverter.
Regarding the price, at $450 + VAT it is not
I still have some concern about blocked e-mails. If
you have -not- yet received a reply to your request
for information about my Elecraft covers please let
me know. I've responded to all inquiries received.
73! Rose Kopp - N7HKW
[EMAIL PROTECTED]
or
[EMAIL PROTECTED]
The area where it is a competition is for Honor Roll
and only current countries count for that. New ops
are on the same footing as the old ops, except for the
accumulated DXCC credits.
This may also be true for the challenge award. Like
was previously stated, the rules are somewhat complex
and
Others have given you the answer you were searching for, but I'll just chime in
to say that during my K3 wait (June till February), I made a cable of 10 ga.
zip, with an in-line fuse holder and PowerPoles on each end. I have a West
Mountain Radio crimper available, so I crimped then soldered
Hey Guys,
Tnx for the quick response...I have no problem with soldering as I did
build a K2 a few years ago...My just delivered K3 is sitting at a
friend's house in FL and I will be there this Friday evening. My friend
does not use power poles so wanted to know if I would be able to set up
You either crimp or Solder - not both
73 de M0XDF, K3 #174
--
Sometimes I think we're alone in the universe, and sometimes I think
we're not. In either case, the idea is quite staggering.
-Arthur C Clarke, science fiction writer (1917- )
On 17 Mar 2008, at 15:50, Lee Buller wrote:
Tom,
You
For Deleted Countries you get credit for them if you worked them
when they were valid countries. The DXCC list includes the valid
dates for each deleted country. The credit applies to your basic
count for the DXCC award and endorsements. Thus for example if you
have 98 current countries and
One good source might be Ameritron. They are still selling 811
amplifiers and they could not do so if they didn't have working tubes
(new) to put in them. They probably charge more than RF Parts
because they have to quality check them. I hate to point out, anyone
so ignorant that they are
You either crimp or Solder - not both
While it may be easy to prove that doing both is redundant, I see no reason why
one *can't* do both, provided you crimp before soldering. I find it rather odd
to make such a firm distinction.
If I'm planning ahead and remember to bring the crimpers
You are welcome to do both - as long as you don't compromise the
contact fit inside the housing.
As to whether its worst or even advisable to do both...
I've had people tell me that soldering hardens the point where the
wire joins the contact and effectively weakens it, because strands can
You either crimp or Solder - not both
I crimp and solder. But an explanation is in order:
I begin by crimping the PowerPole connector to the stranded wire. When the
crimp is complete, I then apply silver bearing solder ONLY to the very tip
of the stranded wire where it butts up against the
You either crimp or Solder - not both
Why not? I've done both on all my crimped connections for years. Crimping
breaks through any oxidation in the wire and terminal as well as providing
mechanical strength. Soldering adds to both of these as well as reducing
the potential for further
--- TR, K2/100 S/N 838 [EMAIL PROTECTED]
wrote:
One good source might be Ameritron. They are still
selling 811
amplifiers and they could not do so if they didn't
have working tubes
(new) to put in them. They probably charge more
than RF Parts
because they have to quality check them.
Ed Muns wrote:
You either crimp or Solder - not both
Why not? I've done both on all my crimped connections for years. Crimping
breaks through any oxidation in the wire and terminal as well as providing
mechanical strength. Soldering adds to both of these as well as reducing
the
Well, now that I have got your attention with the subject line.
The recent threads on amplifiers has been interesting since I am looking at
adding an additional one to my station.
I know the Elecraft people are very busy with the K3 roll out now, but with the
advent of power transistors
On Fri, Mar 14, 2008 at 1:53 PM, Dave Hachadorian [EMAIL PROTECTED] wrote:
Maybe I'm missing something here. What about the following
from the K3 FAQ's:
If the transverter option is not installed, can the K3 use
ANT2 as a de facto RX ANT?
Yes. If the KXV3 is not installed, you can
My understanding is that IF you have the sub-RX installed and have the
KAT3 installed, you can connect one antenna to ANT1, another antenna to
ANT2, and select which antenna serves the main RX and which one serves
the sub-RX. Since there are no sub-RXs in the field, no one has been
able to do
OK, we've established that the kit rigs require you to assemble the APPs
on the wire to make the power cable.
Same deal for the factory assembled rigs or do they come with finished
power cables?
- Keith N1AS -
- K2 5411.ssb.100 -
- K3 Wave 3 (soon) -
The assembled K3's come with an assembled power cable, you just need
to finish the battery/power supply side.
Jeff
On Mon, Mar 17, 2008 at 12:55 PM, Darwin, Keith
[EMAIL PROTECTED] wrote:
OK, we've established that the kit rigs require you to assemble the APPs
on the wire to make the power
Well Simon I use HRD scan facility it works well with my K3!!
73
Rowland
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I would far prefer a factory pre-assembled power cable, given the expense of
the correct crimp tool and I far prefer crimping to soldering to a cable with
no strain relief.
ps I've probably crimped and soldered 100s of thousands of wires. But this is
not a crimp tool in my armoury.
David
Don't over complicate it. I just used a plain old wire crimper and solder.
If you want some more strain relief, put some heat shrink tubing over the
connector and for about 6 inches up the wire. Use big tubing at the connector
and overlap it over smaller tubing up the wire. You might have
Lee Buller wrote:
I know they are busyand I am willing to waitbut it seems that
the day of the transistor power amp is here and the players right now
are IC, Y, Ameritron, and THP.
Don't forget TE Systems. IMO the best available solid-state VHF/UHF amps.
Could there be a middle
- Original Message -
From: Chad WE9V [EMAIL PROTECTED]
To: Dave Hachadorian [EMAIL PROTECTED]
Cc: Elecraft Reflector elecraft@mailman.qth.net
Sent: Monday, March 17, 2008 7:00 PM
Subject: Re: [Elecraft] KXV3 clarification requested
On Fri, Mar 14, 2008 at 1:53 PM, Dave Hachadorian
I agree about the market for a bullet-proof solid state legal limit
amplifier that will work seamlessly with the radio... like the ICOM PW-1
does now with the Pro-series. My Pro3 and PW-1 are so well matched it's like
having a KW transceiver. I suspect Elecraft could do something like that
Lee Buller wrote:
Could there be a middle ground where a KW SS amp can come in at an
affordable price...say below 1500 to 2000 bucks?
I suspect this is hard to do. Although a SS amplifier itself is simple,
by the time you get the power supply, the protective circuitry, the
pretty-much
I'm one of the folks on the list of K3 waiters having
placed my order in early January. I had a question
and tried to use the archives to search it out but I
don't find a search option for the archives.
I'm wondering if the question, suggestion,
recommendation has ever been made to request
Works just fine with MacLoggerDX on my iMac :-)
Seriously, thats only going to happen if some form of USB to
middleware electronics to then send CAT or something, is going to get
written. Far more likely to find it supported in a Logging program
that interfaces to the K3 - like er
Yea the ones that qualify have to say Efficiency Level IV on it (or
something like that). Essentially some European group did a study and
stated that if you took the passive load of all the unregulated bricks that
are in Europe it would total up to one power plant or something like that...
I
The only product that produces no RFI at all is the pet rock.
Even rock has a radiation signature..
BTW - If you are worried about radiation, don't do a walking tour of
Edinburgh, Scotland... Granite is 'radio' active
Noted! ;)
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Elecraft mailing
Hi,
Curious to note that when working split the bandmap in Logger32 doesn't
show the switch to VFO-B. Pressing the REV button causes the bandmap
cursor to move but not during keying. With the K2 you could see your TX
frequency change when in split.
Regards,
Mike VP8NO
Don't worry about doing both... It leaves you that much more sure that you
won't lose connection and trust me... The electrons will forgive your soul
for doing both! :)
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Mike B
Sent: Monday, March 17, 2008
People talk about the extra current drain. How much is it?
If you go by what W0CZ measured you get this:
The current tests before I put in the KPA3.
Receive 0.94 to 1.1 A
TX (NO POWER) 1.56 A
TX 5W 2.56 A
TX 10W 3.07 A
TX 12W 3.23 A
The same test after the KPA3 was installed, Set up and
I thought this reply was an authoritative answer:
http://www.nabble.com/Re%3A-KXV3-clarification-requested-p16058211.html
I believe Lyle Johnson is an Elecraft employee.
Yes, but he is fallible.
I just tried it out on my radio and thought that in split mode I could
have a different antenna
The way I read the manual description and diagrams is:-
If you want to use a separate RX antenna *without* the KAT3 and *without*
the sub-Rx then you *must* have the KXV3...
Please correct me if I am wrong... this is of great interest to me
--
Dave G. KK7SS
'65 MK III Sprite in Richland, WA
Hi,
I'm going to use my K2 with KAT2 internal ATU to operate a
doublet from 80m to 10m including WARC bands without a
balun. Among others, Dave's W8FGU home page inspired me to
try this.
I hope this is not a problem, especially when battery-fed
during portable operation, as there is [almost] no
post from the past ref K3 current draw.
Fri, 22 Feb 2008 21:53:25 -0600
From: Kenneth A. Christiansen [EMAIL PROTECTED] Add
Mobile Alert
To: elecraft@mailman.qth.net
Subject:[Elecraft] K3 NR 457 now working in Fargo ND
I got a pleasant surprise yesterday
That's the way I see it.
73, Ken K3IU
Dave G. wrote:
The way I read the manual description and diagrams is:-
If you want to use a separate RX antenna *without* the KAT3 and *without*
the sub-Rx then you *must* have the KXV3...
Please correct me if I am wrong... this is of great interest to
Greetings fellow Elecrafters and Elecrafters-to-be!
I will take another turn at the mic this evening on 40m.
The frequency: 7.190 +/-
The time: 6:00 PM PDT, 9:00 PM EDT, and 0100 UTC.
Hope to hear you on the frequency!
73, Roger
WA7BOC
K3 #75
--
I am using the free version
I agree with Vic:
An amp capable of 300 to 400 watts, 160m through 6m, would be nice.
I've been running my current station with a 200 watt rig with great
success. I have a K3 on order and I'm looking at amplifiers to go with
it. Solid state is a must for auto band switching.
Tokyo High
KK7SS asked: The way I read the manual description and diagrams is:-
If you want to use a separate RX antenna *without* the KAT3 and *without*
the sub-Rx then you *must* have the KXV3...
Please correct me if I am wrong... this is of great interest to me
If you want to use a separate RX
A number of people have asked how the VP6DX K3s were configured. Here is the
summary of options used on each of their K3s.
K3/100 +
KAT3 antenna tuner
KXV3 second receive antenna option.
KFL3A-250 250 Hz, 8-pole roofing filter
KFL3A-400 400 Hz, 8-pole roofing filter
KFL3A-1.0K 1 kHz,
After replacing the phone jack on my K2, I have been searching for a really
good external speaker. One that allows me to use my headphones and mute the
speaker when doing so. Well, I had an old Kenwood SP-180 speaker that I had
replaced a bad speaker in with a 4 ohm speaker designed for
Brett Howard wrote:
But yes California heard about this and was like
wow if we get rid of all those passive loads from bricks that are plugged
into products that are turned off we'll save all sorts of money.
Can they spell hot standby? Cold starts are not good for a lot of
electronics, to
I know several others have reported this in recent times, but now it's
my turn! My newly-built K2's external speaker jack just decided to
fail, and while I'm traveling with it to boot! I have a small
external speaker that I plugged into it, so I'm still operational, but
the rig thinks
This coming Wednesday evening will be the monthly NAQCC Sprint for March, 2008.
I will refer you to the proper URL:
http://www.arm-tek.net/~yoel//sprint200803.html
There you will find all the details as to time, frequencies, this month's
Special Award, which will be dedcated to those of us who
Hi Oleg,
Well, I wish I could take credit for implementing this configuration, but it
was at the urging of Ron, AC7AC and Don, W3FPR who stated that if the
doublet was fairly well balanced, that connecting it directly to the KAT2
should work well and eliminate any losses due to the balun. There
I know this sounds lazy but what desk mic. could I order, plug directly into
a K3 and operate with no wiring changes? Yes, a good one.
Which is better, the 200 hz 5pole or 250 hz 8 pole? Which is best for the
160m cw test?
Steve Ellington
[EMAIL PROTECTED]
Hi Jim, I'm using a Kenwood SP-230 speaker with my K2. It also has
the audio filters and does a great job with the K2.
Gary, N7HTS
Jim K4ZMV wrote:
After replacing the phone jack on my K2, I have been searching for a really
good external speaker. One that allows me to use my headphones and
WB6TMR wrote:
Having said that, I must admit solid state is the future, and when the day
comes that I can afford a solid state amp I will buy one.
And therein lies the problem. It is bad enough that decent HF tube
amplifiers are so expensive... but, the available solid state models
are, quite
Hello,
I finished my base K2 about a week ago. I installed the Noise blanker and
SSB modules, with no problems. Next I installed the DSP module. The audio
quality went to Sh**. I spent two days playing around with filter
adjustments, DSP settings to no avail. Tonight I plugged in an external
Hello,
On Ebay, the Kenwood SP-230 speaker runs from $85.00 to $202.00, looking at
completed auctions.
Best,
DW Holtman
WB7SSN
- Original Message -
From: Gary Krause [EMAIL PROTECTED]
To: elecraft@mailman.qth.net
Sent: Monday, March 17, 2008 8:27 PM
Subject: Re: [Elecraft]
Delivery notice today for K3/100 ordered on 9-9-2007
shipped 2 day ups so its almost build time!
George NE2I
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I find if I turn the RTTY dual-tone filter on when the width is wider
then 400 Hz and then off, the bandwidth doesn't return to what it was
before the use of the DTF, but is left at the narrow bandwidth
appropriate to the DTF. It seems to me that it'd be correct to revert
to the previous width
I find if I turn the RTTY dual-tone filter on when the width
is wider then 400 Hz and then off, the bandwidth doesn't
return to what it was before the use of the DTF, but is left
at the narrow bandwidth appropriate to the DTF. It seems to
me that it'd be correct to revert to the previous
WOW! They are really starting to make headway on the backlog!
73 Matt
W5LL
K2# 4778
George Cortez Jr wrote:
Delivery notice today for K3/100 ordered on 9-9-2007
shipped 2 day ups so its almost build time!
George NE2I
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Hi Steve:
I would very much recommend getting a Shure 444D desk microphone for your
K3. I am using one with excellent transmit audio. It's a very simply job to
connect the appropriate mic connector to it.
73 from Fern VE7GZ
- Original Message -
From: n4lq [EMAIL
I just use a good ol' set of amplified PC speakers. Works great for
me... Or maybe I don't realize what I'm missing since it's the only
thing I've ever used?!?!?!!?
73 Matt
W5LL
K2# 4778
DW Holtman wrote:
Hello,
On Ebay, the Kenwood SP-230 speaker runs from $85.00 to $202.00,
looking at
Well, I took my lack-of-sensitivity analysis to the next stage and performed
the Signal Tracing checks, as described in the Elecraft K2 Manual. Injected
the 0,14Vrms into the antenna connector when appropriate, and kept the
overload diodes (D40,D41) disconnected.
In short, the DC voltages are a
Hi,
I've decided to sell my K2, s/n 5601. A little over
a year and a half old. I just don't use it all that
much. It was professionally assembled by one of the K2
Builders-for-Hire. Works fine, no problems.
Includes the following:
K2, QRP vers
KAF2, Internal Audio Filter Real Time
I would like to try RTTY with my new K3 but I know absolutely nothing about
setting up for operating. I need a basis to be able to use the instructions
in the Owner's Manual. Such things as what tones to use or speeds or
anything else that needs to be set. Where would I look to find a primer
I would like to try RTTY with my new K3 but I know absolutely
nothing about setting up for operating. I need a basis to be
able to use the instructions in the Owner's Manual. Such
things as what tones to use or speeds or anything else that
needs to be set. Where would I look to find a
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