[Elecraft] upgraded K3

[Charles Guenther]

Only ten days ago, I received my K3 s/n 1061 back from Elecraft with important 
hardware upgrades, including the latest DSP board, plus a second receiver and 
antenna tuner.  

Elecraft did a superb job all around, and turned around my transceiver in just 
under two weeks.  I love the second receiver, and wish I had purchased it years 
ago.  While the K3 was away, I practiced using the dual watch feature on my KX2.

S/N 1061 is very special to me, as it was a gift from my father only months 
before he passed on in 2008.

Thanks once again, Elecraft!

73 de Chuck Guenther. NI0C


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Re: [Elecraft] K3S USB sound issues.

[wa9fvp]

I posted images on nabble.com 

Has anyone had this problem?  Notice in the Volume Mixer that there are
several copies of Microsoft(C) Register Server.  They disappear when I
launch Task Manager.  I can turn on the audio in the K3S in the Properties
by clicking on the speaker Icon and adjust the Microphone level.  Several
minutes later the bogus audio devices reappear.  As I was writing this
thread, I now have six instances running in the Volume Mixer. 

 



-
Jack WA9FVP

Sent from my home-brew I5 Core PC
--
View this message in context: 
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Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] Linear thoughts

[John Marvin]

I want to echo that a KPA-1500 be the same as the KPA500 in terms of 
ease of use and interface, solid state, QSK switching, etc.


Some of my points:

Some have said "at least 1000W". In my opinion, that is not a big enough 
step above the KPA500, but some will make the case that 1500 isn't 
either, but at least it is the max allowed. If you're going to sell an 
amp above the KPA500 make it full legal limit.


Leverage what you can from the KPA500, but at the same point, the KPA500 
design is getting a little old. A lot has happened in high power solid 
state RF electronics since then. I would prefer that the amp be based on 
LDMOS RF Power transistors. Perhaps the MRF1K50HR5 from NXP 
Semiconductors should be considered. LDMOS is known for great linearity 
and the latest devices are pretty rugged.


If you do invest in a newer design, consider some backwards leverage 
from the KPA1500 (if that is what you call it) to the KPA500, i.e. an 
updated KPA500 V2 that leverages some of the new design and perhaps 
makes supporting the two amps easier.


I may never buy a KPA1500, but I once said that I would never want more 
than 100W when I bought the KXPA100, but now I own a KPA500/KAT500!


73,
John
AC0ZG

On 3/24/2017 4:11 AM, Arie Kleingeld PA3A wrote:

Besides the usual things nearly every other hi-end linear has:
- tuner built-in as an option
- really light weight
- at least 90% efficiency
- one, max 2 antenna ports

(these fit into the portable rig philosophy of Elecraft)

73
Arie PA3A
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Re: [Elecraft] KX3 reboot only on JT modes?

[rich hurd WC3T]

I figure I'll wrap this issue up and give it a decent burial.   I
reconfigured WSJT-X and JT-Alert to NOT use the HRD interface, but natively
communicate with the KX3.   I then fired up the rig and began calling CQ
with the power down to 3 watts.

The bands being as "wonderful" as they are, I didn't expect much on 20M
during the middle of the day with the noise floor here at S9 but
PSKreporter had me going into Europe the way I used to within a few
minutes, and I did actually make a QSO after about 10 minutes (that's about
twice as long as it lasted previously before a reboot).I believe the
problem is fixed.  The KX3 didn't even get above ambient temperature.

Now to figure out how to append this ADIF file into my HRD Logger logfile.
But that's just computer stuff.   Easy peasy.

Thanks for the great suggestions from everyone.  This list rocks.

On Wed, Mar 22, 2017 at 10:57 AM, Brian Waterworth <
brian.waterwo...@gmail.com> wrote:

> Technically, psk31 is a high duty cycle mode.   But, you may not transmit
> as long as you would with JT modes.  Depends on how chatty :-) you are.
>
> Regards
> Brian
> VE3IBW
>
> On Mar 22, 2017 2:49 PM, "rich hurd WC3T"  wrote:
>
> I will check the temperature while operating next time.
>
> I would like an opinion, however, on whether PSK31 is also defined as a
> "high duty cycle" mode because I can and often do camp out on PSK31 all day
> (and that means either in a QSO or calling CQ with the repeat function in
> DM780 set to every 30 seconds) and it doesn't make the KX3 flinch.
>
> By the way, a subjective assessment of the heat sink temp is that in all
> digital modes the heat sink is warm to the touch, but only warm like "phone
> in your pocket" warm.   It doesn't approach an uncomfortable level at ALL.
>
> On Tue, Mar 21, 2017 at 10:29 PM, Nr4c  wrote:
>
> > Turn on the display of Temperature. Watch it while transmitting.
> >
> > Sent from my iPhone
> > ...nr4c. bill
> >
> >
> > > On Mar 21, 2017, at 3:45 PM, rich hurd WC3T  wrote:
> > >
> > > But only on JT modes?   And this is a 7XXX serial number KX3.
> > >
> > > I do not think this has anything to do with the physical power
> > connections,
> > > but I did inspect them and they were all tight.
> > > Going to pay more attention to see what might be going on during these
> Tx
> > > cycles.
> > >
> > >> On Tue, Mar 21, 2017 at 3:17 PM, Don Wilhelm 
> > wrote:
> > >>
> > >> Rich,
> > >>
> > >> First check your power cables carefully for any sign of looseness.
> > >> If none found, try wiggling the KX3 2.1mm power plug to see if that
> > >> induces the failure.  You may have a failed power jack.
> > >> Early KX3s did not have the power jack glued to the board and could
> fail
> > >> (even with the right angle power plug).  The failure would be
> > intermittent.
> > >>
> > >> I don't think it has anything to do with your operating mode.
> > >>
> > >> 73,
> > >> Don W3FPR
> > >>
> > >>
> > >>> On 3/21/2017 2:47 PM, rich hurd WC3T wrote:
> > >>>
> > >>> Okay, here's an odd one and I couldn't find any suggestions in the
> > >>> archives
> > >>> or using Google-fu.
> > >>>
> > >>> I can run any mode with my KX3/PX3/KXPA100 station with no incident
> > except
> > >>> for JT modes; using WSJT-X, I will complete a Tx cycle and randomly
> the
> > >>> KX3
> > >>> will bounce (power off/power on.)
> > >>> 9 times out of 10, I'm operating at 3W.   I'll sometimes bump to 5.
> To
> > >>> test this, I have also bumped it to 11 watts to kick the amp in and I
> > get
> > >>> the same reaction; that is, sometimes (but not always) the station
> just
> > >>> decides it's had enough and the power bounces.   Power supply is a
> > Samlex
> > >>> SEC-1223.
> > >>>
> > >>
> > >
> > >
> > > --
> > > 73 (or 72 for the QRP folks),
> > > Rich Hurd / WC3T
> > > Northampton County RACES
> > > EPA-ARRL Public Information Officer for Scouting
> > > Latitude: 40.761621 Longitude: -75.288988  Grid: *FN20is*
> > > 40°45.68' N 75°17.33' W
> > > __
> > > Elecraft mailing list
> > > Home: http://mailman.qth.net/mailman/listinfo/elecraft
> > > Help: http://mailman.qth.net/mmfaq.htm
> > > Post: mailto:Elecraft@mailman.qth.net
> > >
> > > This list hosted by: http://www.qsl.net
> > > Please help support this email list: http://www.qsl.net/donate.html
> > > Message delivered to nr4c@widomaker.comBut only on JT modes?   And
> this
> > is a 7XXX serial number KX3.
> > >
> > > I do not think this has anything to do with the physical power
> > connections,
> > > but I did inspect them and they were all tight.
> > > Going to pay more attention to see what might be going on during these
> Tx
> > > cycles.
> > >
> > >> On Tue, Mar 21, 2017 at 3:17 PM, Don Wilhelm 
> > wrote:
> > >>
> > >> Rich,
> > >>
> > >> First check your power cables carefully for any sign of looseness.
> > >> If none found, try wiggling 

Re: [Elecraft] FS: K3/100 + P3

[Ken Arck]

I would be interested in the P3. Please contact me offlist

Ken


At 09:46 AM 3/24/2017, Phil Hystad wrote:
I am posting this ad for a friend, Fred KE7FB, 
who is reluctantly selling his K3+P3.  Fred’s 
e-mail address is listed below and you can 
contact him or I or both of us for any questions 
on the items listed or photos of the equipment. 
For Sale:  K3/100 and P3 The complement included 
in the K3, serial number #6183: — K3/100 
with staandard 2.7 kHz Filter — K3 ATU 
Option — RX AntAnt., IF Out and Xverter 
Interface Option — K3 250 Hz,, 8-Pole 
Filter — K3 400 Hz, 8-Pole Filter — K” 
K3 1 kHz, 8-Pole Filter — Hand Held 
microphone for tthe K3 (MH2) — Universal 
Serial Bus Adapter Also, EElecraft documentation 
for the K3 plus the Fred Cady “Elecraft K3” 
book. The P3, pan adapter for the K3, serial # 
1870 is included in this package. All equipment 
is in perfect working order and includes all 
necessary connecting cables (K3 <-> P3 <-> PC). 
No marks, scratches, and used only in 
non-smoking environment. Price:  $2400 (Paypal) 
plus shipping/insurance to your CONUS address 
from Fred’s Wisconsin QTH.  Unbundling the K3 
from the P3 is negotiable. If interested or if 
you have questions about this offer please 
contact me off list.  Paypal is direct to Fred 
at address:  fbirc...@gmail.com.  Also, I can be 
contacted at this address or with Phil’s 
(K7PEH) address offline for any additional 
questions and photos of the equipment. 73, Fred, 
KE7FB fbirc...@gmail.com Posted by Phil, K7PEH 
phys...@mac.com 
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[Elecraft] KPA-2K

[Greg]

I second K9OM's wishlist and would add that I would like to see the amp
cover 160-6 meters.  I would like to see it be capable of running 1500 watts
out continuous duty on RTTY with all components conservatively rated.  I
really like the idea of having the antenna switch built in for remote
capability -- switching to different antennas with port memory for each band
-- 6 ports would be great.  Band switching can either follow the K3/K3S or
be "RF sensed".  Of course the amp should be designed for full QSK and have
protection from high SWR, overdrive, etc.  I like the feature on my KPA500
that provides saving the drive level by band (using the K3 or K3S).  An
internal antenna tuner is not necessary.  It would also be nice to have an
Elecraft developed program to use for remote operation.  Sure hope you do
it, Eric.  Put me on the list to buy one.  73, Greg-N4CC

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[Elecraft] SELLING MY HF-PACKER BACK PACKING AMPLIFIER

[Paul Webb]

Works as designed,  beautiful amp.  Asking $350 Pay Pal OK.  Please Contact 
off-list.

Paul, K5HKX

Sent from Windows Mail

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[Elecraft] FS: K3/100 + P3

[Phil Hystad]

I am posting this ad for a friend, Fred KE7FB, who is reluctantly selling his 
K3+P3.  Fred’s e-mail address is listed below and you can contact him or I or 
both of us for any questions on the items listed or photos of the equipment.

For Sale:  K3/100 and P3

The complement included in the K3, serial number #6183:

— K3/100 with standard 2.7 kHz Filter
— K3 ATU Option
— RX Ant., IF Out and Xverter Interface Option
— K3 250 Hz, 8-Pole Filter
— K3 400 Hz, 8-Pole Filter
— K3 1 kHz, 8-Pole Filter
— Hand Held microphone for the K3 (MH2)
— Universal Serial Bus Adapter

Also, Elecraft documentation for the K3 plus the Fred Cady “Elecraft K3” book.

The P3, pan adapter for the K3, serial # 1870 is included in this package.

All equipment is in perfect working order and includes all necessary connecting 
cables (K3 <-> P3 <-> PC).
No marks, scratches, and used only in non-smoking environment.

Price:  $2400 (Paypal) plus shipping/insurance to your CONUS address from 
Fred’s Wisconsin QTH.  Unbundling the
K3 from the P3 is negotiable.

If interested or if you have questions about this offer please contact me off 
list.  Paypal is direct to Fred
at address:  fbirc...@gmail.com.  Also, I can be contacted at this address or 
with Phil’s (K7PEH) address
offline for any additional questions and photos of the equipment.

73, Fred, KE7FB
fbirc...@gmail.com

Posted by Phil, K7PEH
phys...@mac.com


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Re: [Elecraft] Saving Configuration on K3

[Peter Chamalian]

Great thanks Don.  I'll have to step through the K3 and see what my settings
are for each item (groan).


Pete, W1RM

-Original Message-
From: Don Wilhelm [mailto:donw...@embarqmail.com] 
Sent: Friday, March 24, 2017 9:37 AM
To: Peter Chamalian ; Elecraft 
Subject: Re: [Elecraft] Saving Configuration on K3

Peter,

I assume you will have different options in your K3 and your K3S, so you
will not be able to use the same configuration file for both.  Also,
configuration files are saved by the serial number, so you cannot "clone"
one from the other - I understand this can be circumvented (have not tried
to do that), but is not recommended.

In addition, the calibration data that is included in the configuration file
will not be the same for both - that is unique to the particular K3/K3S.

When you get your K3 and K3S back from Elecraft, save a configuration file
for each of them.

Both your K3 and K3S will be set to factory defaults when you get them back.
Set any desired menu parameters (such as AGC Threshold and Slope among
others) for your personal preferences - then save a configuration file
again.

That way you can always restore to factory defaults, or restore to your
personal settings by restoring the configuration file.
Also if you ever need to do an EEINIT to solve a problem, you will have the
configuration file with your preferred settings, and complete recovery will
be quick and easy.

Save a new configuration file after making significant menu changes.

73,
Don W3FPR

On 3/24/2017 9:12 AM, Peter Chamalian wrote:
> When the configuration of the K3 is saved when using the K3 Utility, 
> exactly what is saved?  What settings, etc.?
>
>
>
> I'm asking because next week I send my K3 off to Elecraft for 
> conversion services to my new K3S and I would like to be able to 
> simply set the K3S the same as my K3.  Or is that not a good idea?

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[Elecraft] K3S For Sale

[Jim Cox]

I am selling one of my K3S.  Excellent condition, includes manual and all 
cables.

K3S/100, SN 10555 2.7 khz filter
KRX3 second receiver with 2.7 khz and KFL3A - 500 hz filters
KDVR3 Voice DVR
KBPF3A General Coverage Module
KFL3A - 500 hz filter 
KFL3A – 250 hz filter
KFL3A – 6K filter
KFL3B – 13K filter

Price is $3250 shipped stateside, over $4100 if bought new.   Jim K4JAF   
k4...@arrl.net   850-527-0267
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Re: [Elecraft] Saving Configuration on K3

[Dick Dievendorff]

This is described in K3 Utility Help under "Save K3 Configuration".  See
"what is saved" and "what is not saved".

73 de Dick, K6KR



-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Peter
Chamalian
Sent: Friday, March 24, 2017 06:12
To: Elecraft 
Subject: [Elecraft] Saving Configuration on K3

When the configuration of the K3 is saved when using the K3 Utility, exactly
what is saved?  What settings, etc.?

 

I'm asking because next week I send my K3 off to Elecraft for conversion
services to my new K3S and I would like to be able to simply set the K3S the
same as my K3.  Or is that not a good idea?

 

Thanks,

 

 

Pete, W1RM

 

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Re: [Elecraft] Saving Configuration on K3

[Don Wilhelm]

Peter,

I assume you will have different options in your K3 and your K3S, so you 
will not be able to use the same configuration file for both.  Also, 
configuration files are saved by the serial number, so you cannot 
"clone" one from the other - I understand this can be circumvented (have 
not tried to do that), but is not recommended.


In addition, the calibration data that is included in the configuration 
file will not be the same for both - that is unique to the particular 
K3/K3S.


When you get your K3 and K3S back from Elecraft, save a configuration 
file for each of them.


Both your K3 and K3S will be set to factory defaults when you get them back.
Set any desired menu parameters (such as AGC Threshold and Slope among 
others) for your personal preferences - then save a configuration file 
again.


That way you can always restore to factory defaults, or restore to your 
personal settings by restoring the configuration file.
Also if you ever need to do an EEINIT to solve a problem, you will have 
the configuration file with your preferred settings, and complete 
recovery will be quick and easy.


Save a new configuration file after making significant menu changes.

73,
Don W3FPR

On 3/24/2017 9:12 AM, Peter Chamalian wrote:

When the configuration of the K3 is saved when using the K3 Utility, exactly
what is saved?  What settings, etc.?



I'm asking because next week I send my K3 off to Elecraft for conversion
services to my new K3S and I would like to be able to simply set the K3S the
same as my K3.  Or is that not a good idea?

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[Elecraft] Saving Configuration on K3

[Peter Chamalian]

When the configuration of the K3 is saved when using the K3 Utility, exactly
what is saved?  What settings, etc.?

 

I'm asking because next week I send my K3 off to Elecraft for conversion
services to my new K3S and I would like to be able to simply set the K3S the
same as my K3.  Or is that not a good idea?

 

Thanks,

 

 

Pete, W1RM

 

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Re: [Elecraft] Linear thoughts

[Arie Kleingeld PA3A]

Besides the usual things nearly every other hi-end linear has:
- tuner built-in as an option
- really light weight
- at least 90% efficiency
- one, max 2 antenna ports

(these fit into the portable rig philosophy of Elecraft)

73
Arie PA3A
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Re: [Elecraft] Linear thoughts

[W0MU Mike Fatchett]

I think the FCC is going to change the rules on the gain factor, 
hopefully soon.


1500w out on RTTY with zero limitations on duty cycle or very little 
limitation.


Very quiet cooling.

6m would be nice but probably an issue at that power.

Price is probably the biggest what if.

No tune obviously.

Built in tuner.  If you can make the amp like 3:1 SWR's great then no 
tuner.


I would love to be able to share the amp with my 2nd K3.  SO2R or 
similar type operations.


I would be ok with a separate power supply separate from the amp part to 
keep the size as small as possible.


Fully remote controllable with USB/Ethernet including an on off function 
or reset.


W0MU




On 3/23/2017 11:46 PM, Matthew Cook wrote:

Eric,

That's easy, #1 requirement should be spectral purity at full smoke.  So
simply take the features and functions of the KPA500 and increase output to
1500W PEP.   I'd not like to see Elecraft waste their time with an
Spurious/IMD spec that only just pass the FCC requirements, it's about time
someone showed leadership here.   At the very least I'd expect to see
Spurious emissions 60dB (or more) below PEP and IMD 30dB (or more) below
PEP across all bands, I'll admit this is not easy to do from 1.8-50MHz but
it's also not impossible.  This is the minimum commercial spec for 1kW HF
gear here in VK already, for inspiration Codan 3062 or LINEARamp Gemini.
However it's not easy especially since the FCC ties your hands behind your
backs in terms of gain from the get go.

The nice to haves (wish list) would be;

- Four antenna output with an internal tuner that could flatten antennas
that creep up towards 3:1 at the band edges (ala alpha 9500 series)
- Limit the weight of the KPA1500 to the same as the KPA500 is now
(preferably lighter) so switchmode PSU's this time please.
- Make allowances for those countries that aren't limited to FCC 13dB
gain, we'd be happy with just 16dB (*30-40W grin*) and let us pocket the
IMD/Spurious improvements

If Elecraft were to make such an amp with this sort of spectral purity I'd
be inclined to complete the necessary paperwork for a high power variation
on my license here in VK and purchase an amp.  I've toyed with the Gemini
Amp a couple of times but the integration of the KPA500 eventually tipped
the balance.

Then all we've got to do is get more people pointing their beams at us
during DXpeditions and Contests and we'd be set.

73

Matthew
VK5ZM

On 18 March 2017 at 03:36, Eric Swartz - WA6HHQ, Elecraft