Re: [Elecraft] K3 - Stand Alone Panadaptor

[Iain MacDonnell - N6ML]

Joe Word wrote:
> Has anyone developed a stand alone Panadaptor  without the need for a
> computer? Is Elecraft considering this?

"Stay tuned" :)

 ~Iain / N6ML


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Re: [Elecraft] K3 and PSK31 Data Mode and ESSB

[Bill Strong]

  

Plenty of QRN on the low bands especially in the summer. I meant the local
man-made stuff.

73 Bill WA5KPE





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Re: [Elecraft] K3 and PSK31 Data Mode and ESSB

[Jim Brown]

On Sun, 22 Mar 2009 16:44:40 -0700 (PDT), Bill Strong wrote:

>I probably live in a quieter radio environment than many hams and
>am able to use a wide waterfall without much problem. 

There's no QRN where you live?  

73,

Jim K9YC





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[Elecraft] Elecraft SSB Net results (3/22/09)

[Phil and Christina]

We had a good turn-out for the SSB net today (1800Z) on 14.316 MHz,
including Eric, WA6HHQ, and Don, W3FPR.  Most of the signals were good to
net control, but some stations just can't hear each other.  WH6S, Richard,
checked in from Hawaii with a strong signal on the back of my beam.

We had good discussions about distortion/feedback and the indicated mods for
the K3.  There was also some discussion about an upcoming revised DSP PCB
that will help with low frequency audio response.  Eric was there to
enlighten us.  We ran about 34 minutes today.  The net control station,
NS7P, will not be available to do the net next Sunday.  We are looking for a
volunteer.  It isn't difficult as long as you are positioned to hear most of
the country and have a reasonably strong signal.  Feel free to put your name
forward.

Here is a list of the 25 participants:

Station NameQTH Rig S/N

K8MBY   PhilOH  K3  609
K8DJC   Nelson  OH  K3  560
W2RWA   DickNY  K3  2603
W1JGS   Joe MA  K3  2120
N2OGK   DaveCT  K3  941
W6VYBob CA  K3  1590
VE3QF   TonyON  K3  137
KB0YH   Gus CO  K3  441
K4GCJ   Gerry   NC  K3  1597
KM5QWindy   NM  K3  764
W3FPR   Don NC  K3  20
NX7FDaveNV  K3  2598
AD5SX   PaulNM  Jupiter
AE6IC   FredCA  K3  2241
KE4WY   Jim KY  K3  2165
K1BBM   JohnMA  K3  2579
W1TFTy  GA  K3  696
KD0RDavid   KS  FT890 (K2 6708 being built)
WA6HHQ  EricCA  K3  
KA0PLW  Larry   MN  K3  1953
AC7SB   Peter   WA  K2  3016
KB9AVS  Steve   IN  K3  2443
WH6SRichard HI  K3  2571
W7LRW   JohnAZ  IC718
NS7PPhilOR  K3  1826

Thanks to everybody who checked in.  Have a good week.

73,

Phil, NS7P


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Re: [Elecraft] K3 and PSK31 Data Mode and ESSB

[Bill Strong]

I am in agreement with all of the above about the narrow filter capabilities
of the K3 which I considered a given when I made my original post. I have
also considered the panadapter solution but that would complicate matters to
a degree. I probably live in a quieter radio environment than many hams and
am able to use a wide waterfall without much problem. 

Strong clean signals are not a problem if I cut back on the RF gain. The
fact is that in my style of operating I point and click probably 98% of the
time. I like being able to see the activity around me and being able to plan
my next move. DM780 can read signals that rub up against each other if they
are clean signals. 

For the other 2% I move to the QSO window where I can center the signal in
the passband and apply narrow filters; however, this does not help much with
the usual problems of splatter/IMD distortions that are usually the reason
that I move to the QSO window. One of the challenges I face continually is
the W1AW code practice on 80M which distorts the entire waterfall, filters
or not.

It is interesting to me that a few months ago I was 100% CW but now am 100%
keyboard digital. I was about to quit altogether because my fist would lose
control after about 10 minutes secondary to carpal tunnel syndrome. Then I
discovered PSK31. I have not heard the audio on my radio in weeks. It is all
visual now. 

I do appreciate all the comments.

73 Bill WA5KPE

Rig: Elecraft K2/1ØØ 3ØW  Ser # 4454
SW: HRD + DM78Ø
ACC: SignaLink USB and kk7uq IMD Meter   
ATU: MFJ-993B and DXE 1Ø KW Balun
Ant: Cobra Ultralite 14Ø ft Doublet up 3Ø Feet 

P.S. I have the KAT100 but it won't tune 160M on my system whereas the MFJ
does it with ease. The 993B is not quite as convenient in use as the KAT100.

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Re: [Elecraft] K3 <> Hiel Proset

[Evert Bakker (PA2KW)]

Up to now I seem to be on my own with this problem. I did test it with my
old TR7 and had no problem.

I think I'll ask support to see if they have any clue.

Thanks

73's, Evert PA2KW

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Evert Bakker (PA2KW)
Sent: Sunday, March 22, 2009 14:21
To: elecraft@mailman.qth.net
Subject: [Elecraft] K3 <> Hiel Proset

""

When I listen to stronger stations (more volume) it sounds like "clouds with
a silver line" where the silver line is a very distorted high frequency
product of the signal I'm listening to.

It's annoying and tiring. What can it be? Has this something to do with the
AF distortion in the K3 (SN0812 and SN2185, FW 2.78 / D1 1.98, D2 1.98 and
both the same effect) as was discussed earlier on the reflector.

""
 

  

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Re: [Elecraft] K3 and PSK31 Data Mode and ESSB

[Joe Subich, W4TV]

> A better approach is to set the K3 bandwidth very narrow, and 
> use a panadapter to produce a waterfall that is independent of 
> the real receive bandwidth (and which can thus be much wider 
> than any of the K3 roofing filters).

Absolutely!  I've been playing with an RFSpace SDR-IQ and a beta 
version of Spectravue.  It provides panadapter and waterfall that 
can be set anywhere from 1 to 190 KHz wide ... clicking on it will 
tune the K3 to put the narrow filters in the right place.  N8LP's 
LP-Pan and PowerSDR should also be able to provide the same 
capability. 

SDR-IQ and SpectraVue work very well with microHAM Router since 
SpectraVue's new external panadapter function can use Router's 
2nd CAT port to control the K3 at the same time as a logger and 
digital mode package like DXLab Suite or HRD/DM780. 

73, 

   ... Joe, W4TV 
 


> -Original Message-
> From: elecraft-boun...@mailman.qth.net 
> [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Erik N Basilier
> Sent: Sunday, March 22, 2009 5:52 PM
> To: Jim Brown; elecraft@mailman.qth.net
> Subject: Re: [Elecraft] K3 and PSK31 Data Mode and ESSB
> 
> 
> I agree with Jim, and not just w.r.t. invading contesters but 
> other PSK31 stations as well. The wider the waterfall, the 
> greater the chance that 
> another
> station within it is stronger than the wanted station, and 
> adversely affects reception through receiver AGC action. The 
> architecture with an AGC-using radio producing audio that 
> goes into a soundcard is a bit of a dead end, the ultimate 
> death of which is postponed by myths that everything will be 
> OK as long as nobody uses more than 20-30 W. Manual gain 
> control helps of course, but somewhat defeats the convenience 
> of click-to-tune. A better approach is to set the K3 
> bandwidth very narrow, and use a panadapter to produce a 
> waterfall that is independent of the real receive bandwidth 
> (and which can thus be much wider than any of the K3 roofing filters).
> 
> 73,
> Erik K7TV
> 
> - Original Message - 
> From: "Jim Brown" 
> To: 
> Sent: Sunday, March 22, 2009 9:02 AM
> Subject: Re: [Elecraft] K3 and PSK31 Data Mode and ESSB
> 
> 
> > On Sun, 22 Mar 2009 07:44:31 -0700 (PDT), Bill Strong wrote:
> >
> >>Once
> >>generally known, this ability to operate PSK31 in ESSB with 
> click and 
> >>transmit across a 3.5 kHz waterfall would I think make the K3 even 
> >>more attractive to data mode operators than it already is.
> >
> > Yes, but: another HUGE advantage of the K3 is its ability 
> to get very 
> > narrow to pull very weak PSK31 (or RTTY) signals out of the 
> noise with 
> > both a selectable fixed roofing filter, and a variable 
> filter that can 
> > be made very narrow filter and tuned around a bit. I would 
> think that 
> > PSK operators would find this quite useful for working through QRM 
> > when contesters forget and accidentally invade their usual haunts.
> >
> > 73,
> >
> > Jim K9YC
> >
> 
> 
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Re: [Elecraft] KX1 Spring Tune Up Update

[Jack Regan]

This update represents a more accurate determination of the power output AND
an adjustment of the KX1 so it would reflect these new, accurate power
measurements.

 

The DL1 was used to determine the power output. Some initial confusion
occured becasue the DL1's formula for calculating power is not correct!

 

Many thanks to Don Wilhelm for helping sort this out!  He has been
responding with detailed, accurate and elegant suggestions re: what is going
on.

The DL1 manual formula is...



P(watts)=((V(volts)x1.414)+0.15))2/50

 

Three things are going on here. The TP1 is connected to the 25 ohm output of
the resistor chain, the diode correction is not part of the rms correction
and the value of the diode is not as accurate as it could be.

 

Don's formula is...



P(watts)=((V(volts)+diode drop))2/25

 

In his note to me re: this he "left the derivation to the student" and this
is the formula I came up with.

 

P(watts)=((V(volts)+diode drop))x 1.414))2/50

 

When my formula produced a result different than Don's (by a very small
positive amount) I jumped to the conclusion that Don's formula was quick and
easy ballpark technique! Wrong!

 

The difference in our figures was that Don used the square root of two
whereas I used the "standard" approximation 1.414!

 

I will follow Don's lead and leave the derivation to the student! If you
email me I will send you a copy of Don's math!!! Very simple and elegant!

 

To continue...

 

I measured my diode drop and found it to be .330mv so the formula for my DL1
is

P(watts)=((V(volts)+0.33))2/25 or

P(watts)=((V(volts)+0.33))x (sq. root of 2))2/50

 

Taking accurate measurements and finding (as previously posted) that the KX1
was showing too high an output I took Don's advice and redid the C9 and the
Forward Power adjustments on the KX1.

 

After adjusting the KX1 to show the same readings as the DL1 I now have the
following baseline figures on the KX1 with 12VDC(DISP:BAT).

 

 

FREQ TP1 VDC  TP1 WATTS   KX1 WATTS   KX1 SWR

 3.550   7.84 2.602.6 1.0

 7.040   7.34 2.302.3 1.0

10.120   8.45 3.253.24-3.26   1.0

14.050   7.03 2.192.201.0

 

With the new baseline the agenda has changed.

 

1.   If in fact these outputs are significantly low then correct them thru
 adjustments, not modifications. They are higher than the 9 VDC specs
but are they
 far enough below the 12VDC specs to bother with. I'll do some reading
and research
 and then decide.  Any input or suggestions would be appreciated.

 

2.Explore the possibility of increasing the power output to a full 5
watts.
  Don has pointed out the fact that more than just the oscillator, final
rf
  transistor and toroids are involved in putting out more than 4 watts.
Perhaps an
  out board power amp using the KX1 as a VFO would be the way to go!
QST has had several
  articles on power amp construction lately!

 

3.Understand why the Scope and the DL1 are not showing the same results.

 

4.Get the scope to match the DL1.

 

Again, just for the record, the KX1 is working on all bands.

 

Jack AE6GC

 

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Re: [Elecraft] K3 and PSK31 Data Mode and ESSB

[Erik N Basilier]

I agree with Jim, and not just w.r.t. invading contesters but other PSK31
stations as well. The wider the waterfall, the greater the chance that 
another
station within it is stronger than the wanted station, and adversely affects
reception through receiver AGC action. The architecture with an AGC-using
radio producing audio that goes into a soundcard is a bit of a dead end,
the ultimate death of which is postponed by myths that everything will be
OK as long as nobody uses more than 20-30 W. Manual gain control
helps of course, but somewhat defeats the convenience of click-to-tune.
A better approach is to set the K3 bandwidth very narrow, and use
a panadapter to produce a waterfall that is independent of the real
receive bandwidth (and which can thus be much wider than any of the
K3 roofing filters).

73,
Erik K7TV

- Original Message - 
From: "Jim Brown" 
To: 
Sent: Sunday, March 22, 2009 9:02 AM
Subject: Re: [Elecraft] K3 and PSK31 Data Mode and ESSB


> On Sun, 22 Mar 2009 07:44:31 -0700 (PDT), Bill Strong wrote:
>
>>Once
>>generally known, this ability to operate PSK31 in ESSB with click and
>>transmit across a 3.5 kHz waterfall would I think make the K3 even more
>>attractive to data mode operators than it already is.
>
> Yes, but: another HUGE advantage of the K3 is its ability to get very
> narrow to pull very weak PSK31 (or RTTY) signals out of the noise with
> both a selectable fixed roofing filter, and a variable filter that can be
> made very narrow filter and tuned around a bit. I would think that PSK
> operators would find this quite useful for working through QRM when
> contesters forget and accidentally invade their usual haunts.
>
> 73,
>
> Jim K9YC
>


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Re: [Elecraft] K3 Made in January

[Dick Dievendorff]

You might need to enable the AutoTuner option using the K3 Menu.
CONFIG:KAT3 should be "auto" or "byp" but not "not inst".  See page 47 of
the K3 Owner's manual under "Option Module Enables".

Your Alpha's key line is connected to the KEY OUT line on the back of the K3
and not some other K3 rear-panel connector, right?

If you unplug the KEY OUT line from the back of the K3 and short across the
RCA phono connector, does that key the Alpha?  
If not, then the problem is in the cable or the amplifier.

I'd then put a voltmeter on this line and see if it's being brought down to
zero when you activate the K3 PTT.

Dick, K6KR



-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of javier pinel
Sent: Saturday, March 21, 2009 5:49 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] K3 Made in January


I am unable to key the relay on the K3 to active my Alpha 86., looked in
manual and can't seem to find the answer. 
 I bought the auto tuner have been using it but iseems to have disappeared
and the notice on bottom says  no atu 
thanks, 
Javier 
-- 
View this message in context:
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[Elecraft] K3 Made in January

[javier pinel]

I am unable to key the relay on the K3 to active my Alpha 86., looked in
manual and can't seem to find the answer. 
 I bought the auto tuner have been using it but iseems to have disappeared
and the notice on bottom says  no atu 
thanks, 
Javier 
-- 
View this message in context: 
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[Elecraft] Test Ignore

[Andy]

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[Elecraft] Low SubRX audio below 20m

[nekvtster]

On 30m and below, the sub RX audio is much lower in level than the main RX.  
I am set up to use the "SUB" audio control as the "balance" control between  
the main and SubRX audio levels (SPKRS: 2, SPKR+PH: no, SUB AF: balance).  
Both receivers get their RF from the main antenna. On 20m and above, this  
works fine - adjusting the control to the 12 o'clock position "centers" the  
stereo audio image between the two speakers. On 30m and below, however, the  
sub RX audio is much lower - the "balance" control is at about 3 o'clock  
(ie, injecting a much smaller amount of main RX audio) to "center" the  
stereo image. Thus, I have to "ride" this control when changing bands.

I am using the latest "public" firmware revision, but I believe I have had  
this problem for some time. I did purchase "matched" filters for the main  
and sub RX's, and I have re-checked to ensure that they are set up with the  
same parameters. The state of the AFX control has no perceptible effect and  
I see that AF GAIN and AF LIM cannot be set differently for main and sub RX.

Any thoughts on what is causing this? I don't see any previous mention in  
the reflector archives.

Brian K1LI K3 #2435 -- K2 #2070 -- K1 #270
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Re: [Elecraft] K3

[David Gilbert]

How exactly did you determine that no one can hear you?  Because they 
don't answer?

I'm also curious how you concluded that the fault lies with the K3.  If 
I was getting full power out as determined by an external wattmeter, and 
I could hear the modulation on a second receiver, the K3 would be last 
on my list of suspects.

Dave   AB7E



Phil LaMarche wrote:
> To all those who have helped.. The frequency counter says I'm
> transmitting on the same frequency as received.  External watt meter shows
> full power with almost zero SWR.  Antenna analyzer shows the antenna OK.
> However no one hears me on any band except 75.  Modulation OK as monitored
> on another receiver.  Everything should be OK, but isn't. Hopefully Elecraft
> can help tomorrow.  Thanks to all.
>  
> Phil
>  
>
> Philip LaMarche 
> LaMarche Enterprises, Inc.
>   www.instantgourmetspices.com
>
> www.w9dvm.com   
> 800-395-7795 pin 02 
> 727-944-3226 
> FAX 727-937-8834 
> NASFT 30210 
>
> K3  #1605
>
> CCA  AC98  00827
> W9DVM 
>
>
>   
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Re: [Elecraft] K3

[Dick Dievendorff]

Are you transmitting on the correct sideband?



-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Phil LaMarche
Sent: Sunday, March 22, 2009 11:44 AM
To: elecraft@mailman.qth.net
Cc: supp...@elecraft.com
Subject: [Elecraft] K3

To all those who have helped.. The frequency counter says I'm
transmitting on the same frequency as received.  External watt meter shows
full power with almost zero SWR.  Antenna analyzer shows the antenna OK.
However no one hears me on any band except 75.  Modulation OK as monitored
on another receiver.  Everything should be OK, but isn't. Hopefully Elecraft
can help tomorrow.  Thanks to all.
 
Phil
 

Philip LaMarche 
LaMarche Enterprises, Inc.
  www.instantgourmetspices.com

www.w9dvm.com   
800-395-7795 pin 02 
727-944-3226 
FAX 727-937-8834 
NASFT 30210 

K3  #1605

CCA  AC98  00827
W9DVM 


 
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[Elecraft] Digital Voice Recorder (DVR) Operations?

[K2ZLS]

   See  the  NEW  KDVR3  Installation Instructions ERRATA manual  PAGE  
2.   (Rev A-7   03/01/09}


   73's   Tony   K2ZLS
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Re: [Elecraft] K3

[Steve Ellington]

Phil
But while ago you said that your 75A3 couldn't hear your signal. Now I 
assume it can. So what changed? And you say "Modulation OK"...Well unless 
I'm missing something obvious, what could Elecraft do? Maybe you could have 
that local ham listen for you on 20m?
Steve Ellington
n...@carolina.rr.com
- Original Message - 
From: "Phil LaMarche" 
To: 
Cc: 
Sent: Sunday, March 22, 2009 2:43 PM
Subject: [Elecraft] K3


> To all those who have helped.. The frequency counter says I'm
> transmitting on the same frequency as received.  External watt meter shows
> full power with almost zero SWR.  Antenna analyzer shows the antenna OK.
> However no one hears me on any band except 75.  Modulation OK as monitored
> on another receiver.  Everything should be OK, but isn't. Hopefully 
> Elecraft
> can help tomorrow.  Thanks to all.
>
> Phil
>
>
> Philip LaMarche
> LaMarche Enterprises, Inc.
>  www.instantgourmetspices.com
>
> www.w9dvm.com 
> 800-395-7795 pin 02
> 727-944-3226
> FAX 727-937-8834
> NASFT 30210
>
> K3  #1605
>
> CCA  AC98  00827
> W9DVM
>
>
>
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No virus found in this incoming message.
Checked by AVG - www.avg.com
Version: 8.0.238 / Virus Database: 270.11.23/2016 - Release Date: 03/21/09 
17:58:00

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Re: [Elecraft] EQP

[Roger Stein]

Scores will be posted after the submittal date of April 10 rolls by. I
am doing the compilation of the results.

73, Roger
K7SJ

K3 #75

On Sun, Mar 22, 2009 at 7:55 AM,  wrote:
>
> Is or will there be a listing of EQP scores? I haven't seen any yet. ?I 
> bought my K3 because I'm a Dxer & Contester. I'm competitive. I just want to 
> see how I did against others.
> K9IL
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[Elecraft] K3

[Phil LaMarche]

To all those who have helped.. The frequency counter says I'm
transmitting on the same frequency as received.  External watt meter shows
full power with almost zero SWR.  Antenna analyzer shows the antenna OK.
However no one hears me on any band except 75.  Modulation OK as monitored
on another receiver.  Everything should be OK, but isn't. Hopefully Elecraft
can help tomorrow.  Thanks to all.
 
Phil
 

Philip LaMarche 
LaMarche Enterprises, Inc.
  www.instantgourmetspices.com

www.w9dvm.com   
800-395-7795 pin 02 
727-944-3226 
FAX 727-937-8834 
NASFT 30210 

K3  #1605

CCA  AC98  00827
W9DVM 


 
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[Elecraft] K3 disable modes

[dl9hda]

Hello,

it is possible to disable modes? I never use data- or am-mode and fm
only on the 10m-band. But I can only disable fm-mode for all bands
[config:FM MODE off).

Will this be a future option?

best 73s Holger / DL9HDA
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Re: [Elecraft] K3 - CW in SSB mode operation

[Radio Amateur N5GE]

On Sat, 21 Mar 2009 17:53:01 -, "Ken Kopp" 
wrote:

>I use the "transmit CW while in SSB" mode feature. Most 
>replies have been in SSB mode, so no retuning is needed.
>
>I often monitor 50.125 in SSB mode and at random intervals 
>send "DE K0PP DN36" to probe for activity / openings ... a 
>form of manual beaconing. (:-))
>
>73! Ken Kopp - K0PP
> elecraftcov...@rfwave.net
> http://tunyurl.com/7lm3m5
>

That's sort of what I do, Ken.

The CW just lets them know there's someone out there.  Heck they don't
even need to be able to copy CW ;o)

Tom, N5GE

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Re: [Elecraft] [K3] No Power Output

[KB1PXD]

Thanks for the reply Dave but I had already checked that.

- Bill


dyarnes-2 wrote:
> 
> I apologize if this sounds like I am suggesting the obvious, 
> but you didn't happen to accidentally put it in "test" mode 
> did you?  Press and hold the right side of the mode button 
> to return to "operating" mode.  Just a thought.
> 
> Dave W7AQK
> 
> 
> - Original Message - 
> From: "KB1PXD" 
> To: 
> Sent: Sunday, March 22, 2009 7:06 AM
> Subject: [Elecraft] [K3] No Power Output
> 
> 
>>
>> Hello everyone,
>> as of last evening, my K3 is no longer indicating any
>> power output on the RF meter during transmit.  I've
>> tried both PTT and VOX, as well as 2 different antennas.
>> (dipole & beam)  When selecting "ATU TUNE", I see the
>> RF meter go to 5W as expected, but the SWR indicator
>> above only displays "- -".  I've gone through all the 
>> settings
>> and they look correct.  The PWR knob is fully clockwise,
>> I'm not in test mode, etc., etc.  I've sent an email to 
>> Elecraft
>> but I thought I'd check here as well to see if anyone has
>> seen this behavior.
>>
>> Thanks,
>> - Bill
>> KB1PXD
>> -- 
>> View this message in context: 
>> http://n2.nabble.com/No-Power-Output-tp2517063p2517063.html
>> Sent from the [K3] mailing list archive at Nabble.com.
>>
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>> 
> 
> 
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> 

-- 
View this message in context: 
http://n2.nabble.com/No-Power-Output-tp2517063p2517719.html
Sent from the [K3] mailing list archive at Nabble.com.

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Re: [Elecraft] [K3] No Power Output

[David Yarnes]

I apologize if this sounds like I am suggesting the obvious, 
but you didn't happen to accidentally put it in "test" mode 
did you?  Press and hold the right side of the mode button 
to return to "operating" mode.  Just a thought.

Dave W7AQK


- Original Message - 
From: "KB1PXD" 
To: 
Sent: Sunday, March 22, 2009 7:06 AM
Subject: [Elecraft] [K3] No Power Output


>
> Hello everyone,
> as of last evening, my K3 is no longer indicating any
> power output on the RF meter during transmit.  I've
> tried both PTT and VOX, as well as 2 different antennas.
> (dipole & beam)  When selecting "ATU TUNE", I see the
> RF meter go to 5W as expected, but the SWR indicator
> above only displays "- -".  I've gone through all the 
> settings
> and they look correct.  The PWR knob is fully clockwise,
> I'm not in test mode, etc., etc.  I've sent an email to 
> Elecraft
> but I thought I'd check here as well to see if anyone has
> seen this behavior.
>
> Thanks,
> - Bill
> KB1PXD
> -- 
> View this message in context: 
> http://n2.nabble.com/No-Power-Output-tp2517063p2517063.html
> Sent from the [K3] mailing list archive at Nabble.com.
>
> __
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> 


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Re: [Elecraft] K3 and PSK31 Data Mode and ESSB

[Jim Brown]

On Sun, 22 Mar 2009 07:44:31 -0700 (PDT), Bill Strong wrote:

>Once
>generally known, this ability to operate PSK31 in ESSB with click and
>transmit across a 3.5 kHz waterfall would I think make the K3 even more
>attractive to data mode operators than it already is.

Yes, but: another HUGE advantage of the K3 is its ability to get very 
narrow to pull very weak PSK31 (or RTTY) signals out of the noise with 
both a selectable fixed roofing filter, and a variable filter that can be 
made very narrow filter and tuned around a bit. I would think that PSK 
operators would find this quite useful for working through QRM when 
contesters forget and accidentally invade their usual haunts. 

73,

Jim K9YC


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Re: [Elecraft] Bose noise canceling headphones

[Gary Smith]

I use these headphones, the QC2. I paid around $100 for them on ebay 
over a year ago. There's an occasional hum in the right chanel I get 
every so often but was just sent a "fix" for it a couple days ago. As 
the "humm" is not there I haven't done the fix. (the hypothesis is a 
potentiometer needs the occasional turn to restore proper contact). 
If this is the fix, it is most easy to do.

just in case, I called Bose and they said to get replacement ones as 
this one is not in warranty anymore would cost me $100.

I have worn many headphones in my rock, Acoustic and bluegrass career 
and I have worn quite a few in my ham Radio hobby too but none are 
more comfortable or easier to me than these Bose QC2 to listen to 
when it comes to hearing faint sounds.

As to the noise cancelling, I have a Ameritron AL-1500 sitting 2-3 
feet from me and it has a fairly audible blower. With these 
headphones on I can hardly hear the slightest hint of a whisper. I 
have two studio headphones (Senhauser and Sony) which sound great in 
a quiet studio but in comparison to the QC2 rate a D minus to the QC2 
getting an A minus (Minus because there's always room for 
improvement.

That said, I use the QC2 exclusively with my K3 unless I'm walking 
about the room. If I'm sitting at the radio, I have the QC2 
headphones on.

As to the batteries, The QC2 uses one AAA battery. I use Costco and a 
huge package of the AAA Duracells are quite inexpensive there. but I 
tend to forget to urn the QC2 off and leave it turned on for long 
periods of time. Even with Costco's low price, I burn through 
batteries too fast.

Seeing as I lend out my MFJ SWR Analyzer frequently to local club 
members to tweak their antennae, it burns through 12 AA batteries in 
a heartbeat. So I have a charger for NIMH batteries and have four AAA 
And 16 of the AA NIMH batteries that I keep charged and use these in 
the analyzer and QC2 and forget about battery cost.

I chose the QC2 as opposed to the QC3 because the QC3 has an Li 
internal battery which isn't removed to recharge and I don't want to 
remove it to recharge the battery in a contest. Also, the QC2 are the 
most comfortable of any of my headphones and envelop the entire ear 
so extraneous sounds are quite suppressed.

Gary
KA1J 
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Re: [Elecraft] K3

[Geoffrey Mackenzie-Kennedy]

Steve,

I agree. Smells like feedback rather than a parasite.

73,
Geoff
GM4ESD


- Original Message - 
From: "Steve Ellington" 
To: "Geoffrey Mackenzie-Kennedy" ; "Elecraft 
Discussion List" 
Sent: Sunday, March 22, 2009 3:29 PM
Subject: Re: [Elecraft] K3


> Geoff
> Off-line I recommended that he beg borrow or steal a frequency counter and 
> find out where he's transmitting. He's making some calls right now. Should 
> be interesting to see how this one pans out.
> Steve Ellington
> n...@carolina.rr.com

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Re: [Elecraft] K3 FM 3.03 New AGC/RTTY

[Craig WØLV]

Yes I agree.  I would believe that when yo switch from on mode to another
mode you could automatically have your AGC set up in the menu!

Craig WØLV



alsopb wrote:
> 
> Wondering if this new AGC capability opens the door for a more optimum 
> AGC for RTTY?
> 
> Also is there any theory out there which takes a stab at what such a AGC 
> characteristics may be?
> 
> Haven't yet stumbled upon an AGC that doesn't produce "key clicks" when 
> adjacient channel keyed marks or spaces move up the filter slope enough 
> to activate the AGC.  Perhaps slope and threshold are part of this as
> well.
> 
> It be nice to have available pretty optimum CW, SSB and RTTY AGC 
> settings at the push of a button or two.
> 
> Brian/K3KO
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-- 
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[Elecraft] Digital Voice Recorder (DVR) Operations?

[Allan Bacon]

I was able to record a simple CQ and store to M1.

Following the manual instructions (page 29), I tried to record a repating CQ to 
M2.

No luck, 

When I press the M2, the display just says END (and no message).

I wanted to record another message and cannot even record a simple, 
non-repeating one now. Any new message I record just says END (and no message?

Are there any other insturctions I have not read?

73,
Al
W6GBG
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Re: [Elecraft] K3

[Steve Ellington]

Geoff
Off-line I recommended that he beg borrow or steal a frequency counter and 
find out where he's transmitting. He's making some calls right now. Should 
be interesting to see how this one pans out.
Steve Ellington
n...@carolina.rr.com
- Original Message - 
From: "Geoffrey Mackenzie-Kennedy" 
To: "Elecraft Discussion List" 
Sent: Sunday, March 22, 2009 11:20 AM
Subject: Re: [Elecraft] K3


> Apart from 75m and 20m, does the external watt meter indicate any output
> when on the other bands?
>
> Geoff
> GM4ESD
>
>
> - Original Message - 
>> From: "Phil LaMarche" 
>> To: "'Geoffrey Mackenzie-Kennedy'" 
>> Sent: Sunday, March 22, 2009 3:02 PM
>> Subject: RE: [Elecraft] K3
>>
>>
>>
>> Only working on 75.
>
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No virus found in this incoming message.
Checked by AVG - www.avg.com
Version: 8.0.238 / Virus Database: 270.11.23/2016 - Release Date: 03/21/09 
17:58:00

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Re: [Elecraft] K3

[Geoffrey Mackenzie-Kennedy]

Apart from 75m and 20m, does the external watt meter indicate any output 
when on the other bands?

Geoff
GM4ESD


 - Original Message - 
> From: "Phil LaMarche" 
> To: "'Geoffrey Mackenzie-Kennedy'" 
> Sent: Sunday, March 22, 2009 3:02 PM
> Subject: RE: [Elecraft] K3
>
>
>
> Only working on 75.

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[Elecraft] [KX1] Construction Part II Complete

[Ron Bower]

The progress is going very well, so far. I'm documenting the progress on my
website with fairly high-resolution photo.

 

http://www.ac2c.ronbower.us/KX1-Project.html

 

Ron, AC2C

Ellicott City, MD

 

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Re: [Elecraft] Six-meter scanning

[David Woolley (E.L)]

Wes Stewart wrote:
> There was some talk about it being an FCC limitation. However, (other
> than receivers that cover the cellular phone bands, with their own
> special limitations) the pertinent regulation seems to be covered in 47
> CFR 15.5 (definitions) where I read:

My understanding is that the problem is that they have to prove to the 
FCC that scanning is disabled outside the amateur band, and there is a 
cost in doing this.  I imagine they would have to repeat the process 
every time they issued new firmware.

> 


-- 
David Woolley
"The Elecraft list is a forum for the discussion of topics related to 
Elecraft products and more general topics related ham radio"
List Guidelines 
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Re: [Elecraft] K3

[Geoffrey Mackenzie-Kennedy]

Phil,

If your 75A3 does not hear anything on 20m, but your watt meter shows 100 
watts, suggests that your K3 when it is supposed to be transmitting on 20m 
is generating RF in some other part of the spectrum, hopefully not a 
parasitic. Does the K3's transmitter work as it should on all of the other 
bands?

Can you listen across the entire HF spectrum to find out where the K3 might 
be transmitting when 20m is selected?

73,

Geoff
GM4ESD


Phil LaMarche  wrote on Sunday, March 22, 2009 at 2:24 
PM:

>I want to give one last try on the reflector before going to Elecraft
> tomorrow. Thanks for all the suggestions so far but still not working. My 
> K3
> works on 75 meters but not on 20.  Shows 100 watts on the external watt
> meter.  Listening on the same freq with my 75A3, nothing.  Calling people,
> nothing. The Sub is off.  Split is off. Arrow is pointing to main. Not in
> TEST.  The only thing I did after getting it back from the factory, having
> the sub installed, is set up the sub per the instructions.
>
> Works perfectly on 75.
>
> Thanks
>
> Phil

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Re: [Elecraft] [K3] No Power Output

[KB1PXD]

Thanks for the quick response Arie.  I tried upgrading
my firmware from 2.67 to 2.78 but I'm still seeing the
same results. (RF meter remains at 0 when transmitting)

- Bill


Arie Kleingeld PA3A-2 wrote:
> 
> Bill,
> 
> Had the same thing once.
> Reloaded the firmware and that solved the problem here.
> 
> 73
> Arie PA3A
> 
> -Oorspronkelijk bericht-
> Van: elecraft-boun...@mailman.qth.net
> [mailto:elecraft-boun...@mailman.qth.net] Namens KB1PXD
> Verzonden: zondag 22 maart 2009 15:07
> Aan: elecraft@mailman.qth.net
> Onderwerp: [Elecraft] [K3] No Power Output
> 
> 
> 
> Hello everyone,
> as of last evening, my K3 is no longer indicating any
> power output on the RF meter during transmit.  I've
> tried both PTT and VOX, as well as 2 different antennas. (dipole & beam)
> When selecting "ATU TUNE", I see the RF meter go to 5W as expected, but
> the SWR indicator above only displays "- -".  I've gone through all the
> settings and they look correct.  The PWR knob is fully clockwise, I'm
> not in test mode, etc., etc.  I've sent an email to Elecraft but I
> thought I'd check here as well to see if anyone has 
> seen this behavior.  
> 
> Thanks,
> - Bill
> KB1PXD
> -- 
> View this message in context:
> http://n2.nabble.com/No-Power-Output-tp2517063p2517063.html
> Sent from the [K3] mailing list archive at Nabble.com.
> 
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-- 
View this message in context: 
http://n2.nabble.com/No-Power-Output-tp2517063p2517202.html
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[Elecraft] EQP

[greenacres113]

Is or will there be a listing of EQP scores? I haven't seen any yet. ?I bought 
my K3 because I'm a Dxer & Contester. I'm competitive. I just want to see how I 
did against others.
K9IL
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Re: [Elecraft] K3

[Steve Ellington]

Call Elecraft.
I'm dieing to see how this turns out. I mean...If you are putting 100w into 
the antenna, your swr is low and your meter indicates modulation, you must 
be transmitting and you must be on the right band otherwise your SWR would 
be high unless you've compensated for that with a tuner somehow. How the 
75A3 can't hear anything just doesn't compute. One thing for sureI would 
not call anyone. Someone out there is listening but who knows where!
Steve Ellington
n...@carolina.rr.com
- Original Message - 
From: "Robert Naumann" 
To: 
Sent: Sunday, March 22, 2009 10:40 AM
Subject: Re: [Elecraft] K3


> If it's putting out 100w, you should be able to find where - no?
>
> -Original Message-
> From: elecraft-boun...@mailman.qth.net
> [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Phil LaMarche
> Sent: Sunday, March 22, 2009 9:24 AM
> To: elecraft@mailman.qth.net
> Subject: [Elecraft] K3
>
> I want to give one last try on the reflector before going to Elecraft
> tomorrow. Thanks for all the suggestions so far but still not working. My 
> K3
> works on 75 meters but not on 20.  Shows 100 watts on the external watt
> meter.  Listening on the same freq with my 75A3, nothing.  Calling people,
> nothing. The Sub is off.  Split is off. Arrow is pointing to main. Not in
> TEST.  The only thing I did after getting it back from the factory, having
> the sub installed, is set up the sub per the instructions.
>
> Works perfectly on 75.
>
> Thanks
>
> Phil
>
>
> Philip LaMarche
> LaMarche Enterprises, Inc.
>  www.instantgourmetspices.com
>
> www.w9dvm.com 
> 800-395-7795 pin 02
> 727-944-3226
> FAX 727-937-8834
> NASFT 30210
>
> K3  #1605
>
> CCA  AC98  00827
> W9DVM
>
>
>
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No virus found in this incoming message.
Checked by AVG - www.avg.com
Version: 8.0.238 / Virus Database: 270.11.23/2016 - Release Date: 03/21/09 
17:58:00

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Re: [Elecraft] K3 and PSK31 Data Mode and ESSB

[Bill Strong]

Dave,

Thank you very much for the prompt response and testing of this for me. Once
generally known, this ability to operate PSK31 in ESSB with click and
transmit across a 3.5 kHz waterfall would I think make the K3 even more
attractive to data mode operators than it already is. It would probably be
unique at least among affordable radios.

It sounds as though it is feasible now though not quite as convenient as it
would be if settings were built into firmware.

73 Bill, WA5KPE

-- 
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Re: [Elecraft] [K3] No Power Output

[Arie Kleingeld PA3A]

Bill,

Had the same thing once.
Reloaded the firmware and that solved the problem here.

73
Arie PA3A

-Oorspronkelijk bericht-
Van: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] Namens KB1PXD
Verzonden: zondag 22 maart 2009 15:07
Aan: elecraft@mailman.qth.net
Onderwerp: [Elecraft] [K3] No Power Output



Hello everyone,
as of last evening, my K3 is no longer indicating any
power output on the RF meter during transmit.  I've
tried both PTT and VOX, as well as 2 different antennas. (dipole & beam)
When selecting "ATU TUNE", I see the RF meter go to 5W as expected, but
the SWR indicator above only displays "- -".  I've gone through all the
settings and they look correct.  The PWR knob is fully clockwise, I'm
not in test mode, etc., etc.  I've sent an email to Elecraft but I
thought I'd check here as well to see if anyone has 
seen this behavior.  

Thanks,
- Bill
KB1PXD
-- 
View this message in context:
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Re: [Elecraft] K3

[Robert Naumann]

If it's putting out 100w, you should be able to find where - no?

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Phil LaMarche
Sent: Sunday, March 22, 2009 9:24 AM
To: elecraft@mailman.qth.net
Subject: [Elecraft] K3

I want to give one last try on the reflector before going to Elecraft
tomorrow. Thanks for all the suggestions so far but still not working. My K3
works on 75 meters but not on 20.  Shows 100 watts on the external watt
meter.  Listening on the same freq with my 75A3, nothing.  Calling people,
nothing. The Sub is off.  Split is off. Arrow is pointing to main. Not in
TEST.  The only thing I did after getting it back from the factory, having
the sub installed, is set up the sub per the instructions.
 
Works perfectly on 75.
 
Thanks
 
Phil
 

Philip LaMarche 
LaMarche Enterprises, Inc.
  www.instantgourmetspices.com

www.w9dvm.com   
800-395-7795 pin 02 
727-944-3226 
FAX 727-937-8834 
NASFT 30210 

K3  #1605

CCA  AC98  00827
W9DVM 


 
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Re: [Elecraft] K3 - ERR 12V - FIXED

[Ed K1EP]

I didn't have time to work on the radio until a couple of days 
ago.  When I first looked at the problem last weekend in the middle 
of the Elecraft QSO Party, I removed the top cover and the fan 
assembly.  I pulled on one of the wires that connect from the KPA3 to 
the circuit breaker and apparently the wire crimp was not great, as 
the wire pulled out.  I figured that was the problem and 
reattached/soldered the wire to the crimp connector, however this 
didn't solve the problem.  I was still measuring higher than normal 
resistances from the powerpole connector to the circuit 
breaker.  Checking the schematic, I determined that there wasn't 
anything in the path that should have resistance greater than a few 
milliohms.  I removed the rear bottom cover to get a better look at 
the power entry.  While continuously monitoring the resistance from 
the powerpole to the PA, I squeezed the motherboard-KPAIO3-KPA3 
"sandwich".  The resistance came back to normal!  I removed the 
single screw holding the KPAIO3 and again squeezed the 
combination.  12V is routed through two sets of multiple Berg stick 
type connectors from the main board up to the PA board.  Although I 
could not feel any movement, that is, the boards appeared to have 
been properly seated, the slight movement of the compression appears 
to have dramatically reduced the contact resistance.  All I can say 
is that there must have been some oxidation on the contacts and the 
slight movement eliminated it.  All appears to be well now, as I 
operated part of the Russian DX Contest this weekend with no loss of 
power or error messages.


At 3/15/2009 10:43 AM, Matt Zilmer wrote:
>I was 'inside' #24 anyway and saw this posting.  Measured the DC
>resistance across the CB.  I can't measure any resistance with the
>Fluke DVM.
>
>When keyed down on TUNE at 50W, I see no drop across the CB.  Sounds
>like the contact suface is corroded or contaminated on yours.  Better
>replace it.  At least that's easy to do, and Elecraft should help you
>out on this.
>
>73,
>matt W6NIA
>
>On Sun, 15 Mar 2009 09:36:47 -0400, you wrote:
>
> >All of a sudden this morning, I started getting an error message on
> >my K3, ERR 12V.  Then it scrolled Check Circuit Breaker, which I
> >assume was the PA circuit breaker.  The radio would not transmit
> >until power cycled and the power level was reset to below 12W.  I am
> >not convinced that it is a thermal issue, although it could be.  I
> >monitored the PA temp and it doesn't have a direct
> >correlation.  Temps are in the high 30's to low 40's.  I removed the
> >top cover and inspected the circuit breaker.  There seems to be
> >significant IR drop (10s of mv) across it even when not transmitting,
> >so I am wondering if maybe the circuit breaker is failing.  Has
> >anyone seen anything like this before?
> >

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Re: [Elecraft] K3 and PSK31 Data Mode and ESSB

[Dave G4AON]

Bill, testing on PSK31 TX, using USB and ESSB set to 4 KHz, centre freq
at 1500 Hz (normal K3 DSP setting)... I can obtain full power from 300
Hz to 3500 Hz on the waterfall, the power drops off abruptly above 3500
Hz. By moving the centre frequency to 2000 Hz I can transmit up to 3700 Hz.

On Data A, the upper limit is 2900 Hz, I don't think ESSB works on Data
A. Although the menu suggests it is turned on, there is no "+" on the
LCD display.

The advantage of using Data A (as opposed to SSB) is that you
automatically select the appropriate mic or line input, per mode. Maybe
wider data modes could be incorporated in a firmware update.

73 Dave, G4AON
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[Elecraft] K3

[Phil LaMarche]

I want to give one last try on the reflector before going to Elecraft
tomorrow. Thanks for all the suggestions so far but still not working. My K3
works on 75 meters but not on 20.  Shows 100 watts on the external watt
meter.  Listening on the same freq with my 75A3, nothing.  Calling people,
nothing. The Sub is off.  Split is off. Arrow is pointing to main. Not in
TEST.  The only thing I did after getting it back from the factory, having
the sub installed, is set up the sub per the instructions.
 
Works perfectly on 75.
 
Thanks
 
Phil
 

Philip LaMarche 
LaMarche Enterprises, Inc.
  www.instantgourmetspices.com

www.w9dvm.com   
800-395-7795 pin 02 
727-944-3226 
FAX 727-937-8834 
NASFT 30210 

K3  #1605

CCA  AC98  00827
W9DVM 


 
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Re: [Elecraft] K3 and PSK31 Data Mode and ESSB

[Dave G4AON]

I've just checked my K3 and DM780, I have the 6 KHz "AM" filter. The
bandwidth appears to go to 4 KHz on the ESSB menu setting, but in fact
the waterfall in DM780 only shows audio out to 3.5 KHz bandwidth on
receive. I can move the centre frequency of the DSP filter to 2 KHz
(normally it is 1.5 KHz) which sorts out the HF end showing on the LO
and HI settings 0.00 and 4.00 respectively. The 3.5 KHz bandwidth looks
to be fairly easy.

You might like to check with Lyle, KK7P, as to whether 4 KHz is
something that can be incorporated in later firmware without needing to
resort to shifting the centre frequency.

I've not tried transmitting with ESSB/data mode settings.

73 Dave, G4AON
K3/100 #80 f/w 3.03
--
I presently operate my K2/100 in PSK31 data mode with a 2.8 kHz wide
waterfall on the DM780 Superbrowser. I can click and transmit from about 600
Hz to about 1600 Hz on the Superbrowser waterfall without too much
attenuation of the transmitted signal. I made this determination using a
field strength meter and also in-line watt meter.

I would like to run a 3.5 kHz wide waterfall and be able to click and
transmit in the full width. Does anyone have experience using the K3 in this
way with ESSB and the 6 kHz roofing filter? In my reading of the K3 manual
it seems that this would be possible.

Thanks and 73's
Bill Strong
WA5KPE
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[Elecraft] [K3] No Power Output

[KB1PXD]

Hello everyone,
as of last evening, my K3 is no longer indicating any
power output on the RF meter during transmit.  I've
tried both PTT and VOX, as well as 2 different antennas.
(dipole & beam)  When selecting "ATU TUNE", I see the
RF meter go to 5W as expected, but the SWR indicator
above only displays "- -".  I've gone through all the settings
and they look correct.  The PWR knob is fully clockwise,
I'm not in test mode, etc., etc.  I've sent an email to Elecraft
but I thought I'd check here as well to see if anyone has 
seen this behavior.  

Thanks,
- Bill
KB1PXD
-- 
View this message in context: 
http://n2.nabble.com/No-Power-Output-tp2517063p2517063.html
Sent from the [K3] mailing list archive at Nabble.com.

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[Elecraft] K3 and PSK31 Data Mode and ESSB

[William Strong]

I presently operate my K2/100 in PSK31 data mode with a 2.8 kHz wide
waterfall on the DM780 Superbrowser. I can click and transmit from about 600
Hz to about 1600 Hz on the Superbrowser waterfall without too much
attenuation of the transmitted signal. I made this determination using a
field strength meter and also in-line watt meter.

I would like to run a 3.5 kHz wide waterfall and be able to click and
transmit in the full width. Does anyone have experience using the K3 in this
way with ESSB and the 6 kHz roofing filter? In my reading of the K3 manual
it seems that this would be possible.

Thanks and 73's
Bill Strong
WA5KPE
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Re: [Elecraft] KRX3 independance RX Main Ant1 Sub Ant2 possible?

[Don Wilhelm]

Frank,

The AUX ANT input to the sub has a COR (carrier operated relay) included 
as a protective device. See the antenna routing configuration possible 
in the manual starting at page 41. 
If you hear a relay clicking as you transmit, you may want to check the 
amount of RF that is coming from your receive antenna.  The K3 T/R 
switching is all electronic, no relays should operate.

73,
Don W3FPR

Frank DL2GRF wrote:
> Don,
> thank you for explanation! If I have selected on 20m main receiver to ANT1
> (Beam) and switch the sub-receiver on 80m I have the chance to switch
> between AUX and ANT1. But not to ANT2 (80m Dipol). That´s not possible?
> Another question: At AUX connector I have an active antenna dx-one from RF
> systems. Transmitting during on air period is allowed from manufacturer. It
> would be not destroyed. But strong receive level coming through the aux
> input of K3. I think it is protected against own transmission. But if I
> transmit with an other transceiver he get the full rx level to sub receiver
> and could damage. What do you think?
> 73 Frank
>
> Don Wilhelm-4 wrote:
>   
>> Frank,
>>
>> If the frequency on the main receiver is lower than that of the sub, you 
>> may be greeted by a message that says USE AUX.
>>
>> There is a Low Pass Filter associated with the main receiver (and 
>> transmit signal).  If that low pass filter is also placed between the 
>> sub-rx and the antenna, higher frequencies will be severely attenuated - 
>> thus the message USE AUX.  The Auxiliary antenna input to the sub does 
>> not have a low pass filter in the path.
>>
>> 73,
>> Don W3FPR
>>
>> Frank DL2GRF wrote:
>> 
>>> Hi,
>>> using FW 3.03. KRX3 installed. Cable routed to Aux-Connecter not to KAT3.
>>> Is
>>> it possible to receive with main receiver on 80m at ANT2 e.g. and with
>>> sub
>>> receiver on 20m at ANT1. If I switch sub-receiver outside the band of
>>> main,
>>> it switches to aux connector. 
>>> If I route the cable to KAT3 is it till then possible to use different
>>> antennas?
>>> 73 Frank DL2GRF
>>>   
>>>   
>>>   
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>>
>>
>> 
>
>   
> 
>
>
> No virus found in this incoming message.
> Checked by AVG - www.avg.com 
> Version: 8.0.238 / Virus Database: 270.11.22/2015 - Release Date: 03/20/09 
> 19:01:00
>
>   
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[Elecraft] UK Elecraft net report for Sunday 22nd March - correction

[Dave G4AON]

Oops... should have been GM4ESD,  Geoff (not Doug).

73 Dave, G4AON
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[Elecraft] K3 <> Hiel Proset

[Evert Bakker (PA2KW)]

Hello,

 

As this question is about peripherals, I don't know if it is allowed to, but
I give it a try. (if not let me know).

I bought (locally) a Heil-Proset with the HC4 element to use in combi with
the K3.

I used to have a 20 year old Telex (very tiny headphone, mono wired and no
microphone). I'm still very happy with it as its designed for
telecommunications use.

But with the KRX3 installed, it's time for the stereo set.

 

When I listen to stronger stations (more volume) it sounds like "clouds with
a silver line" where the silver line is a very distorted high frequency
product of the signal I'm listening to.

It's annoying and tiring. What can it be? Has this something to do with the
AF distortion in the K3 (SN0812 and SN2185, FW 2.78 / D1 1.98, D2 1.98 and
both the same effect) as was discussed earlier on the reflector.

 

Any idea?

 

Later tonight I'll get my Drake TR7 running again and see if the effect is
also there (I just guess not).

 

Thanks in advance

 

73's, Evert PA2KW

 

  

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Re: [Elecraft] (no subject)

[Guy Olinger, K2AV]

NOTHING removes ALL noise.  The K3 can pretty much nail key clicks.  It also 
completely kills whatever my neighbor beyond my neighbor does in cold 
weather that I can see all the way up to VHF analog TV.  I'll take those two 
and smile about anything else only moderately reduced.

I note at one point some had complained they couldn't eliminate some of the 
(Chinese?) jamming signals.  I would note that those signals were 
specifically DESIGNED to resist elimination.

73, Guy.

- Original Message - 
From: "Ron Midwin" 
To: 
Cc: "Bruce Fleming" ; "JOHN LAWRENCE" ; "Frank 
Meredith" ; "Bob Pack" 
Sent: Saturday, March 21, 2009 2:41 PM
Subject: [Elecraft] (no subject)


> Hi Steve,
>
>
>
> I actually have a 746 Pro and also noticed the noise blanker's
> ineffectiveness.
>
>
>
> I used my K-3 for a month without getting around to trying the noise
> blanker.  Then one day on 75 meters in the morning, I was in a group and 
> had
> S8 noise; the kind of noise that sounds like ignition noise, except I was 
> in
> the shack and no cars were running.  I turned on the noise blanker, 
> tweaked
> the settings, and was able to drop the noise down ~ 2 S units, so that I
> could hear the group.  Since then I've been very impressed with the noise
> blanker, but, I notice that it doesn't remove all noise.  I also have a 
> Mark
> V FT1000 MP and it's noise blanker also doesn't do much.  In my opinion, 
> the
> K-3 noise blanker is definitely a plus in the radio.
>
>
>
> I also have recently played with the receive equalizer, reduced the higher
> frequencies ~ 6 dB, and hear less audio noise.  I've gotten used to doing
> this using EZ_K3 which allows me to save the equalizer settings for each
> mike, and my speakers / headphone.
>
>
>
> Good Luck and 73
>
>
>
> Ron
>
> AE6RH
>
> S/N 1997
>
>
>
>
>
>
>
> Message: 33
>
> Date: Tue, 17 Mar 2009 16:01:04 -0400
>
> From: S Sacco 
>
> Subject: [Elecraft] [K3] Noise Blanker Observations?
>
> To: Elecraft Reflector 
>
> Message-ID:
>
>  
>
> Content-Type: text/plain; charset=ISO-8859-1
>
>
>
> All -
>
>
>
> One of the reasons for purchasing a K3 over, say, an Icom IC-756ProIII was
>
> that the ProII I used to have had a noise blanker button, but it never
>
> seemed to actually do much.
>
>
>
> Sadly, I'm in the midst of several severe power line noise sources (the
>
> power company is getting to them as they can), but I'm finding that my K3 
> NB
>
> is having no effect, in ANY of the zillion settings available.  This isn't
>
> strange, bizarro noise - just arching from a power line.   Is anyone else
>
> experiencing less than satisfactory NB performance with their K3?  I'm
>
> running the latest Production firmware.
>
>
>
> Comments appreciated - you can make them private, if you like, and I'll 
> post
>
> a summary.
>
>
>
> Thanks,
>
>
>
> Steve NN4X
>
> K3 S/N 1317
>
> K3 S/N 0458
>
>
>
>
>
>
>
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[Elecraft] UK Elecraft net report for Sunday 22nd March

[Dave G4AON]

Conditions seemed quite variable this week with several stations
complaining of high noise levels which seemed to be local to them. Here
the general background noise was similar to normal at around -110 dBm
(S3). The net was on 3627 KHz from 1000 hours onwards.

Discussions included the K3-EZ software package
(http://home.roadrunner.com/~n2bc/SW.htm) and how one of our colleagues
managed to foul up his K3 during the net with it...

Version 3.03 of the K3 firmware seemed to be generally OK with most
stations (as far as I know) on the net using it. I think everyone has
had a fiddle with the AGC parameters with no real surprises.

Doug had a problem with his K3 where one of the SWR/power measuring
diodes failed. Replacement diodes from Farnell fixed the problem (diodes
D36 and D37).

Mike had been in dialogue with Elecraft over a high phase noise problem
with the synthesiser in his K3, the problem now appears to be resolved.

The "cheap" headset I was using on the net is a Labtec Axis-302 with a
Heil HC-5 insert fitted. The headset came from an eBay seller and was
quite cheap (£6-99), the headset can be used "as is" on a K3 with low
gain and bias set to "on", or can have alternative inserts fitted
without too much effort. The insert sits in a small housing where the
cover is secured with a Philips screw. A HC-5 insert can be hot melt
glued in place of the original insert, which also requires a larger foam
windshield than that supplied. As noted previously, how good a
microphone sounds is very dependant on the voice characteristics of the
user.

Doug also reported good results with a recently purchased KAF2 audio
filter for his K2.

Peter will be running an Elecraft stand at the Blackpool Rally on 5th
April. Many of those on the net will be at the rally. Details of the
rally from: http://www.g1gyc.demon.co.uk/narsa/

Stations this week were:

G4DQP, Vince
G0VGS, Ian
M1PAF, Paul
GM0ELP, Doug
G0MJW, Mike
G3UCA, Peter
GM3SEK, Ian
GM4ESD, Doug

73 until next week
Dave, G4AON
K3/100, Acom 1000, dipole



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[Elecraft] K3 New Picture

[HB9ANM]

The new picture looks really nice.
But how did they manage to have USB and QSK on at the same time?
Just a thought...
Richard - HB9ANM
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Re: [Elecraft] K3 - Stand Alone Panadaptor

[David Cutter]

Jack's Z90 did it but he no longer makes them.   
 http://www.cliftonlaboratories.com/Z90.htm#Z90


David
G3UNA

- Original Message - 
From: "Joe Word" 
To: 
Sent: Friday, March 20, 2009 11:06 PM
Subject: [Elecraft] K3 - Stand Alone Panadaptor


> Has anyone developed a stand alone Panadaptor  without the need for a
> computer? Is Elecraft considering this? The
> stand alone unit would be something like Yaesu's DMU unit.
> 
> 
> Joe  N9VX
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