Re: [Elecraft] My K2 isn't quite right yet

[Brian Mury]

On Tue, 2004-07-12 at 01:00 -0500, Web Williams wrote:
> I also purchased the SSB module to go with my K2. Everything
> seemed to set up correctly. It made all the right sounds, all the
> right numbers show up on the display, etc. It decodes SSB signals
> fine. The problem I'm having is that when I key the microphone,
> I get full-power carrier on my external wattmeter. CW works fine.
> I'm using a Yaesu MH-31 hand microphone, and wired the
> internal jumpers on the front panel board per the manual. Anyone
> have any idea what may be going on or what to look for? This is
> the basic 10-watt K2 with only the SSB module added.

When you install the KSB2 in the K2, there is a capacitor and two
jumpers that need to be removed. Did you skip that step? It's easy to
miss it in the excitement of installing a new option. I did, and I had
the same symptoms.

-- 
73, Brian
VE7NGR

___
Elecraft mailing list
Post to: Elecraft@mailman.qth.net
You must be a subscriber to post to the list.
Subscriber Info (Addr. Change, sub, unsub etc.): 
http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/subscribers.htm
Elecraft web page: http://www.elecraft.com

Re: [Elecraft] ultimate rejection

[Stewart Baker]

> Next, I went to local hobby shop and bought some tin.  I made little  tin
> "houses" which I placed around the matching toroids, ground them  carefully.
> It
> worked too.  Next I added a little tin "fence" which  went on the bottom the
> board, shielding the input of the filter from the  output.  It worked.  Three
> times is a charm!
> My point:  it ain't rocket science, but the old ideas of keeping RF  away
> from places where it shouldn't be work just as well as they ever did.
> I don't have means of measuring this stuff accurately.  Let's just say  that
> when tuning across really loud forty meter broadcast stations the filter
> sounds A LOT tighter then it did.
> Has anybody else tried this stuff.  There must be hundreds of you old  guys
> who have messed with such things.
> So, until Elecraft finds a way to put a bulletproof 8 pole filter in its
> magnificent radio it's time to improvise a little.
> 73,
> Merlin W3ICT
> ___
> Elecraft mailing list
> Post to: Elecraft@mailman.qth.net
> You must be a subscriber to post to the list.
> Subscriber Info (Addr. Change, sub, unsub etc.):
> http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/subscribers.htm
> Elecraft web page: http://www.elecraft.com

Hi Merlin,

I would like to try your approach, Any chance of a photograph, to show how you 
have positioned the shielding ?

73
Stewart G3RXQ

___
Elecraft mailing list
Post to: Elecraft@mailman.qth.net
You must be a subscriber to post to the list.
Subscriber Info (Addr. Change, sub, unsub etc.): 
http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/subscribers.htm
Elecraft web page: http://www.elecraft.com

RE: [Elecraft] My K2 isn't quite right yet

[Ron D'Eau Claire]

Web wrote:

I also purchased the SSB module to go with my K2. Everything seemed to set
up correctly. It made all the right sounds, all the right numbers show up on
the display, etc. It decodes SSB signals fine. The problem I'm having is
that when I key the microphone, I get full-power carrier on my external
wattmeter. CW works fine.
---

Sounds like the carrier balance adjustment is off, Web. Did that procedure
go okay? Did you get a null in the carrier output? 

Ron AC7AC


___
Elecraft mailing list
Post to: Elecraft@mailman.qth.net
You must be a subscriber to post to the list.
Subscriber Info (Addr. Change, sub, unsub etc.): 
http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/subscribers.htm
Elecraft web page: http://www.elecraft.com

[Elecraft] My K2 isn't quite right yet

[Web Williams]

I also purchased the SSB module to go with my K2. Everything
seemed to set up correctly. It made all the right sounds, all the
right numbers show up on the display, etc. It decodes SSB signals
fine. The problem I'm having is that when I key the microphone,
I get full-power carrier on my external wattmeter. CW works fine.
I'm using a Yaesu MH-31 hand microphone, and wired the
internal jumpers on the front panel board per the manual. Anyone
have any idea what may be going on or what to look for? This is
the basic 10-watt K2 with only the SSB module added.

It will be a few days before I get to look at it- we're leaving town
tomorrow for 3 days.

Thanks, -Web Williams in Myrtle Beach, SC

--
Echolink (ek-O lingk) n. 1. Another form of AOL chatroom. 
2. A means to circumvent amateur radio licensing requirements 
needed to work DX by using a computer connected to the internet. 
3. A "pretend" radio.




___
Elecraft mailing list
Post to: Elecraft@mailman.qth.net
You must be a subscriber to post to the list.
Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/subscribers.htm

Elecraft web page: http://www.elecraft.com

[Elecraft] ultimate rejection

[Merlarts]

Sometime in 1977 I acquired a TS 820; this radio was supposed to be hot  
ticket; well made, highly sensitive, with fancy dual gate MOSFETs, and the  
crummiest filter performance imaginable.  
 
It was'nt the fault of the filter.  It was a reasonable 8 pole design  which 
probably produced pretty good numbers in the lab.  But in the radio  it was 
awful.  
 
The filter sat on a sort of Faraday shield, and the input and output talked  
to each other across that latticework of copper strips.  
 
Going first for the simple, dumb approach I began putting little RF  
"barriers" across the middle of the filter.  They consisted of a piece of  
printed 
circuit material, connected to ground and soldered all along its  length.  It 
worked great!  Everything about the filter got  better:  opposite sideband 
rejection, ultimate rejection etc.  
 
Back in the not so sophisticated days filters always had some sort of  
metallic barrier keeping the input from "seeing" the output.  In the Drake  
TR4C, 
which claimed a shape factor of 1.66, the radio was designed so that  the 
sideband switch was sitting right next to a piece of the chassis which  
separated 
the input from the output.  
 
Enough reminiscing;  I just spent about a hour with my KSB2, making  sure 
that the solder connections near the 7 pole filter were filed down, or  clipped 
as much as possible, so that they don't act as little "antennas",  thus messing 
up the characteristics of the filter.  It worked!  The  "audio image" that 
one hears when tuning past zero beat got a lot weaker!  
 
Next, I went to local hobby shop and bought some tin.  I made little  tin 
"houses" which I placed around the matching toroids, ground them  carefully.  
It 
worked too.  Next I added a little tin "fence" which  went on the bottom the 
board, shielding the input of the filter from the  output.  It worked.  Three 
times is a charm!
 
My point:  it ain't rocket science, but the old ideas of keeping RF  away 
from places where it shouldn't be work just as well as they ever did.  
 
I don't have means of measuring this stuff accurately.  Let's just say  that 
when tuning across really loud forty meter broadcast stations the filter  
sounds A LOT tighter then it did.  
 
Has anybody else tried this stuff.  There must be hundreds of you old  guys 
who have messed with such things.  
 
So, until Elecraft finds a way to put a bulletproof 8 pole filter in its  
magnificent radio it's time to improvise a little.  
 
73,
 
Merlin W3ICT
___
Elecraft mailing list
Post to: Elecraft@mailman.qth.net
You must be a subscriber to post to the list.
Subscriber Info (Addr. Change, sub, unsub etc.): 
http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/subscribers.htm
Elecraft web page: http://www.elecraft.com

Re: Fw: [Elecraft] Tuning CW Stations in 160 meter contest (correction)

[Brian Mury]

On Mon, 2004-06-12 at 21:23 -0500, W3FPR - Don Wilhelm wrote:
> What I found is that as long as the BFO is positioned so that any part of 
> the passband contains the sidetone pitch frequency (as observed on 
> Spectrogram), the transmit frequency will be equal to the frequency of a CW 
> signal being received AT an audio tone EQUAL to the sidetone pitch.  So wide 
> filters are OK, and you can position them most anywhere within reason - it 
> will not change the transmit frequency.
> 
> Wayne has done some fancy stuff with frequency control in the firmware!!! 
> and it works.

Now if only the sidetone pitch could be changed without having to redo
the filter calibration... I like to change the sidetone pitch
occasionally when I'm on the air for long periods as I find my ears tend
to get less "tired" that way. I can't do that with the K2 without
recalibrating the filters.

-- 
73, Brian
VE7NGR

___
Elecraft mailing list
Post to: Elecraft@mailman.qth.net
You must be a subscriber to post to the list.
Subscriber Info (Addr. Change, sub, unsub etc.): 
http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/subscribers.htm
Elecraft web page: http://www.elecraft.com

RE: [Elecraft] Tuning CW Stations in 160 meter contest (correction)

[Ron D'Eau Claire]

Don wrote: 
What I found is that as long as the BFO is positioned so that any part of 
the passband contains the sidetone pitch frequency (as observed on 
Spectrogram), the transmit frequency will be equal to the frequency of a CW 
signal being received AT an audio tone EQUAL to the sidetone pitch.  So wide

filters are OK, and you can position them most anywhere within reason - it 
will not change the transmit frequency.

Wayne has done some fancy stuff with frequency control in the firmware!!! 
and it works.
--

The paper is called "A Detailed Example of the Mechanics Behind Cal FIL" 

I think it's still on the Elecraft web site. 

The short form is this: When you change the BFO frequency in CAL FIL, the K2
automatically changes the local oscillator frequency to preserve the pitch. 

The effect is similar to "passband tuning" in that the passband of the
filter seems to move around a fixed pitch frequency when you change the BFO
frequency. 

Ron AC7AC



___
Elecraft mailing list
Post to: Elecraft@mailman.qth.net
You must be a subscriber to post to the list.
Subscriber Info (Addr. Change, sub, unsub etc.): 
http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/subscribers.htm
Elecraft web page: http://www.elecraft.com

[Elecraft] Shortened figures

[R K Johnson]

I hate to show my ignorance, but after a dozen or so moves in my
lifetime I've long since lost my original ticket. How does one find
out "Year first licensed"? Mine is ca 1945 plus or minus 1.

73 - Bob - W4MKO
___
Elecraft mailing list
Post to: Elecraft@mailman.qth.net
You must be a subscriber to post to the list.
Subscriber Info (Addr. Change, sub, unsub etc.): 
http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/subscribers.htm
Elecraft web page: http://www.elecraft.com

Fw: [Elecraft] Tuning CW Stations in 160 meter contest (correction)

[W3FPR - Don Wilhelm]

Lee and folks,

I was all wet with my response this morning about the wide CW filter 
settings - I just tried various settings of filter widths, and BFO settings 
that are quite skewed from normal.


What I found is that as long as the BFO is positioned so that any part of 
the passband contains the sidetone pitch frequency (as observed on 
Spectrogram), the transmit frequency will be equal to the frequency of a CW 
signal being received AT an audio tone EQUAL to the sidetone pitch.  So wide 
filters are OK, and you can position them most anywhere within reason - it 
will not change the transmit frequency.


Wayne has done some fancy stuff with frequency control in the firmware!!! 
and it works.


I also found with my playing around with different BFO settings, that 
changing the BFO frequency setting will NOT alter the pitch change when 
switching from filter to filter.  Any change in pitch when switching filters 
can be blamed on only 2 things - 1) the signal was not tuned propery to 
equal the pitch of the sidetone, and 2) the normal DAC variation found in 
the K2 - this should be 30 Hz or less (I typically observe a 10 Hz 
difference on Spectrogram).  I do recall that Wayne wrote a long post about 
how the K2 maintains pitch on a signal, and I guess I did not digest all of 
it at that time.  I must review that post given the revelations I had with 
my testing today.


Bottom line - zero beat the signal carefully and the transmit frequency will 
be that indicated on the K2 frequency display (or at most 30 Hz away).  The 
other operator must be also listening on that frequency, and in a contest, 
he may have forgotten to turn RIT off, or perhaps he is working stations a 
bit off his frequency intentionally to reduce the QRM???  Who knows what may 
be going on at the receiving end, but your K2 is likely to be correct (as 
long as YOU don't have RIT or XIT turned on yourself).


73,
Don W3FPR
- Original Message - 
From: "W3FPR - Don Wilhelm" <[EMAIL PROTECTED]>
To: "Lee Buller" <[EMAIL PROTECTED]>; "Elecraft Reflector" 


Sent: Monday, December 06, 2004 11:09 AM
Subject: Re: [Elecraft] Tuning CW Stations in 160 meter contest



Lee,

If you are using the default 1.5 kHz CW bandwidth for FL1 and listening 
with a more narrow filter, the answer is 'quite likely'.  Remember that 
the FL1 BFO is always used for transmit.  This results in a filter 
alignment situation that is seldom mentioned - that of transmit frequency 
offset.


This problem happens readily if you center the bandpass during filter/BFO 
alignment and are using a filter wider than twice your sidetone pitch.  If 
you think about it, you should quickly determine that to actually center a 
1.5 kHz bandpass on a 600 Hz point, the bandpass will be from 1350 Hz down 
to -150 Hz  -- yes, I said that right, the passband will cross over into 
the opposite sideband!  The more likely thing is that you did not set it 
up that way, so the BFO for FL1 is shifted about 500 to 1 kHz from the 
remaining BFOs.  That is the reasoning behind my recommendations that CW 
FL1 be set no wider than 2 times the sidetone pitch.  The 700 Hz width is 
my preferred normal CW receiving filter width, and I personally set my FL1 
to 1.0 or 1.1 kHz to avoid having to shift the FL1 BFO far away from the 
other BFOs.


I do wish that the K2 in CW (and RTTY modes) always used the same BFO for 
transmit as that used for receive, but such is not the case - FL1 is 
always used for transmit in any mode (it is necessary in SSB mode).
If the FL1 BFO is not close to the same frequency as the BFO currently 
being used for receive, your resulting transmit offset will be quite 
different than your sidetone pitch.  (Note: IMHO, a few tens of Hertz will 
make no noticable difference, but hundreds of Hertz difference in the BFOs 
will be objectionable.)


Wayne - would it be possible to change the firmware to use the same BFO 
for transmitting and receiving for all modes except SSB?  Or is my 
analysis incorrect here?


73,
Don W3FPR


- Original Message - 

I participated in the 160 Meter CW contest this weekend with my K2/100 
and noticed something I had never noticed before.  I think that I might 
have a misadjustment in the filters and I am not sure where.


I would tune a station (S&P) to where I thought I was in the bandpass of 
the RC station.  At least the note sounded good to me.  Invariably, I 
would have to tune about a tenth of a KC down to actual make the contact. 
I could call on the higher tone and they would not hear me, but calling 
on the lower tone they would come back all the time.  I have the filter 
center set at 700 with filters widths at 1.5 - 700 - 400 - 100.


Do I have something set to low or to high with the BFO?  This gets 
confusing to me.







___
Elecraft mailing list
Post to: Elecraft@mailman.qth.net
You must be a subscriber to post to the list.
Subscriber Info (Addr. Change, sub, unsub etc.): http

Re: [Elecraft] Shortened figures

[N2EY]

In a message dated 12/6/04 12:21:57 PM Eastern Standard Time, 
[EMAIL PROTECTED] writes:


> Why bother with any RST figures in contests or typical DX  pileup exchanges
> these days?  

That's one reason I like the ARRL SS. No signal report! Instead, you have to 
exchange five pieces of info:

- QSO serial number
- Entry class
- Callsign
- Year first licensed
- ARRL Section

Only the callsign is obvious.

73 de Jim, N2EY
___
Elecraft mailing list
Post to: Elecraft@mailman.qth.net
You must be a subscriber to post to the list.
Subscriber Info (Addr. Change, sub, unsub etc.): 
http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/subscribers.htm
Elecraft web page: http://www.elecraft.com

[Elecraft] Slow starter

[R K Johnson]

Elecraft #4570 is on its way, but slowly. Haven't soldered much since
my 1966 Heathkit! First two sets of parts have been checked, and I'll
probably check the other accessories and then shut down for Xmas prep,
darn it. So far every part just per the manual - what a joy this is
going to be.

-- 
Bob
--
R K Johnson
W4MKO
___
Elecraft mailing list
Post to: Elecraft@mailman.qth.net
You must be a subscriber to post to the list.
Subscriber Info (Addr. Change, sub, unsub etc.): 
http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/subscribers.htm
Elecraft web page: http://www.elecraft.com

Re: [Elecraft] K2_Split_LED file

[Tom Hammond]

Peter:

Try:

  http://members.cox.net/cwnut/K2_Split_LED_12.pdf

73,

Tom HammondN0SS

At 02:31 PM 12/2/04, you wrote:

Greetings

I try to download  the K2_Split_LED_12.pdf from 
http://members.cox.net/cwnut/ but it isn't

there anymore.
can some send me this document?

Peter
PC2A



___
Elecraft mailing list
Post to: Elecraft@mailman.qth.net
You must be a subscriber to post to the list.
Subscriber Info (Addr. Change, sub, unsub etc.): 
http://mailman.qth.net/mailman/listinfo/elecraft

Help: http://mailman.qth.net/subscribers.htm
Elecraft web page: http://www.elecraft.com


___
Elecraft mailing list
Post to: Elecraft@mailman.qth.net
You must be a subscriber to post to the list.
Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/subscribers.htm

Elecraft web page: http://www.elecraft.com

Re: [Elecraft] Re: zero beat detector with KX1?

[Tom Hammond]

Eric Ward wrote:


I have been interested in building some version of a visual zero
beat detector that uses a PLL tone-decoder IC for use with the KX1.  I have
read about the K2 guys using N0SS's PC board version of the circuit designed
by KR5L.  Has anyone tried it (or the Jackson Harbor Press kit, or any such
similar) with the KX1?  Is the side tone too fuzzy/harmonically rich to make
it work?


Then ... At 10:51 AM 12/1/04, wayne burdick wrote:

Tom Hammond has put the tone detector in a KX1, I believe. But I think 
he's off-line for a few days, since he's visiting here in California.


Hi folks:

Just returned home... whew! Great time out on The Left Coast, but ready to 
be back here as well...


Regarding the CW Tuning Indicator installed in a KX1... I think Wayne 
nearly passed out when I told him we'd managed to get the device installed 
and moreover, installed using the MAP LIGHT as the indicator, so that no 
holes had to be drilled... and nothing was hanging out either!!!


Kudos to Pete Ames, NU6Q, who actually performed the installation on his 
KX1 (I no longer have the KX1 I built, it want to Wayne as a 'bench rig'). 
Pete followed my instructions and it appears the install went without 
significant screaming gnashing of teeth!!! We did have a couple false 
starts, but things came together nicely in the end.


First off... for anyone who thinks about installing the CW Tuning Indicator 
into their KX1, drop me a note for my (so far UNpublished) notes on the 
installation AND for some pics from Pete of his completed install.


The connections to the KX1 for DC, GND, and LED are very straightforward. 
However, the AF input to the Tuning Indicator is not taken from the input 
to the AF amp is done for the K2 and K1.. too much digital noise... but it 
is taken from the OUTPUT of the AF Amp via a 50:1 voltage divider (47k and 
1k) to ensure that we didn't overdrive the PLL.


I'm working on a set of KX1 installation docs which will be INCLUDED in the 
general assembly and alignment docs for the CW Tuning Indicator. I'm also 
working on installation docs for the K1, but we still need to hammer out 
the best way of installing the LED itself WITHOUT having to drill a hole... 
one option will be to illuminate (with a contrasting color) one edge (or 
possibly a corner) of the LCD display. But this remains to be solidified a 
bit more. I do have connection data available as well for the asking.


73,

Tom HammondN0SS

___
Elecraft mailing list
Post to: Elecraft@mailman.qth.net
You must be a subscriber to post to the list.
Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/subscribers.htm

Elecraft web page: http://www.elecraft.com

Re: [Elecraft] KPA100 TR Switch isolation problem

[Don]

Bob,

Bingo!   You nailed it I'm sure.  Your explanation accounts for other things 
I saw when originally troubleshooting this circuit.  I arrived at the 12 pF 
'fix' by accident when noticing that a scope probe made the problem go away 
but I knew it was only a patch .. and did not address the root problem.  It 
explains why the dc voltage at Q6/R11 rose to abnormal levels at the low end 
of 80M before breaking into a low frequency oscillation (the source of a 
buzzing sound on the outgoing signal).  Q6 contains a diode (probably 
internal ESD protection) that was grounding the negative half of the rf 
making it through the resonant circuit and resulting in a rectified dc 
voltage at Q6 which I measured as high as 170 volts (normally around 70 
volts during transmit).


Thanks a bunch.  Now I know what to do to fix it right.

Don  K7FJ


I modeled the switch and have identified the source of the problem.  There 
is a resonance formed between the junction capacity of D12, D14 and the 
100uH inductor RFC3.  When you add the 12pF cap or a scope probe, all you 
do is move it around a little.  The easiest way to kill this problem 
forever is to replace RFC3 with a 1K resistor.  That will introduce an 
additional receive path loss of 0.216 dB which is negligable.  Try it and 
let me know what you see.


Bob


___
Elecraft mailing list
Post to: Elecraft@mailman.qth.net
You must be a subscriber to post to the list.
Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/subscribers.htm

Elecraft web page: http://www.elecraft.com

[Elecraft] Just completed mine!

[Web Williams]

#04548 is 99.9% ready- just have to install the speaker and
close up the box. If I didn't have to be somewhere in the next
hour, I'd finish it! Only had one missing solder joint- and had
to troubleshoot 15/17 meters. I failed to solder one pin on
relay K6 during the build. I also added the SSB module.
One voltage was -very- slightly low- 40M shows 1.55V
and the "fix-it" level is 1.5V. I suppose I could have adjusted
all voltages upwards per the manual, but hey- it works just
fine! It was interesting to watch the power levels go +5 watts
when tweaking the cores, then drop back to 2W when you
unkey and re-key. It makes you think you're doing something
wrong, but it's just the microprocessor taking control and
putting it back at your preset. I think the estimated hours of
labor (I read somewhere about 40 hours) is probably right
on the money, even with having to troubleshoot the 15/17M
band. Elecraft, THANKS!!!

-Web Williams in Myrtle Beach, SC

___
Elecraft mailing list
Post to: Elecraft@mailman.qth.net
You must be a subscriber to post to the list.
Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/subscribers.htm

Elecraft web page: http://www.elecraft.com

[Elecraft] re: 40 M ECN

[Ray Albers]

Kevin asked,

   And Ray, where were you this
   week? /4? Hmm must have taken that KX1 for a trip. Wayne appreciates
   your treatment of his rigs. Good care and feeding and a little vacation
   now and then makes them perform much better.

I was down in Pittsboro, NC visiting son and family, especially the 20 mo old grandson. Got back from x-mas tree procurement trip too late to try 20 M but stayed up for the 40. Very noisy, and some conutinuous carrier and other QRM. Thanks to K1EV for the relay. Was copying you thru the qsb about 20% of the time - maybe just when the washer relays were putting a surge in your power supply! 


Yep, the lil KX-1 was happy as can be, working into its 24ft wire tied to the 
crappie pole duct-tped to the deck railing.

73 to all

Ray K2HYD



___
Elecraft mailing list
Post to: Elecraft@mailman.qth.net
You must be a subscriber to post to the list.
Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/subscribers.htm

Elecraft web page: http://www.elecraft.com

Re : Re: [Elecraft] Hi Cur, low power on 17m

[qskguy]

Thanks for your help, I was focused on the low pass filter but the problem was 
in the band pass filters: a resistor lead has falled between the PCB and the 
back cover.
My K2 works now very well on 17m band too, with 15 W output.
73

___
Elecraft mailing list
Post to: Elecraft@mailman.qth.net
You must be a subscriber to post to the list.
Subscriber Info (Addr. Change, sub, unsub etc.): 
http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/subscribers.htm
Elecraft web page: http://www.elecraft.com

[Elecraft] New Elecraft Tech. notes Article: A 100W Z-MatchTuner for 160m - 10m

[Eric Swartz - WA6HHQ, Elecraft]

We have just added a new article to our Tech Notes page at 
http://www.elecraft.com


"A 100W Z-Match for 160m - 10m",  By Geoff Cottrell, G3XGC

Geoff includes pictures and  schematics of his cool home-brew 100W 
Z-Match Tuner project.


73, Eric  WA6HHQ



___
Elecraft mailing list
Post to: Elecraft@mailman.qth.net
You must be a subscriber to post to the list.
Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/subscribers.htm

Elecraft web page: http://www.elecraft.com

Re: [Elecraft] Shortened figures

[David A. Belsley]

Well, N clearly does not apply to the 5, which is therefore assumed, as 
would be the second N, since nothing different was attempted to be 
conveyed.  It's clearly a matter of convention, and, as such, can be 
anything you want.  You could make the convention that E stands for 
599.  Or, you could make the convention that the absence of a report at 
all indicates 599.  Since everyone sends 599 no matter what the signal 
is really like, it seems to me that the absence of a report is the most 
meaningful "exchange," and certainly the easiest to send.  Another way 
of looking at it is: if people aren't going to take the trouble to send 
a meaningful report, why send anything at all? why even have it as part 
of the exchange?


The idea of contests was originally to sharpen one's skills under more 
pressured conditions such as emergencies.  I realize that the 
testosterone of many contesters is aroused simply by the contest, and 
the idea of sharpening emergency skills is the last thing on their mind 
-- like many modern hunters who hunt for the love of the chase and the 
kill, not for the food.  However, there is no sharpening of skills that 
attaches to passing empty information that needn't even really be sent 
or received since its content is assumed rather than really 
communicated.  I've seen contest logs where the operator has, during an 
idle moment, simply run ahead and filled in the 599s in the entries for 
as-yet-to-be-had qsos.


best wishes,

dave belsley, w1euy


On Dec 6, 2004, at 11:50 AM, [EMAIL PROTECTED] wrote:

If a contest is going to use the 'cut' system it probably would not 
hurt to document that on the web page, QST or where ever they 
advertise it.  That would help out the folks not familiar with the 
procedure to recognise what they are hearing. 

  
The problem I have with only 'N' is which does it apply to and the 
first ones range is 1 to 5 not 1 to 9.  The remaining two are 1 to 9, 
the ENN is about as short as you can get it and still make sense. 

  
On the otherhand since everyone is always a 599 regardless, why not 
leave it out completely?  8^)

--
73 Chuck AA8VS

-- William Arthur Ward 
 

-- Original message --

> Why even send as much as ENN. Why not just send N? You can get used
 > to that just as quickly.
 >
> best wishes,
 >
> dave belsley, w1euy
 >
>
>
> On Dec 6, 2004, at 11:16 AM, R. Meilstrup wrote:
 >
> > For the first time I recently heard - in a major contest - CW 
stations

 > > sending ENN instead of 599. It takes a while to get used to!!
 > > Rick, OZ5RM
 > >
 > > ___
 > > Elecraft mailing list
 > > Post to: Elecraft@mailman.qth.net
 > > You must be a subscriber to post to the list.
 > > Subscriber Info (Addr. Change, sub, unsub etc.):
 > > http://mailman.qth.net/mailman/listinfo/elecraft
 > > Help: http://mailman.qth.net/subscribers.htm
 > > Elecraft web page: http://www.elecraft.com
 > >
 >
> ___
 > Elecraft mailing list
 > Post to: Elecraft@mailman.qth.net
 > You must be a subscriber to post to the list.
 > Subscriber Info (Addr. Change, sub, unsub etc.):
 > http://mailman.qth.net/mailman/listinfo/elecraft
 > Help: http://mailman.qth.net/subscribers.htm
 > Elecraft web page: http://www.elecraft.com


___
Elecraft mailing list
Post to: Elecraft@mailman.qth.net
You must be a subscriber to post to the list.
Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/subscribers.htm

Elecraft web page: http://www.elecraft.com

[Elecraft] KPA100 TR Switch isolation problem

[Robert Friess]

I modeled the switch and have identified the source of the problem.  There 
is a resonance formed between the junction capacity of D12, D14 and the 
100uH inductor RFC3.  When you add the 12pF cap or a scope probe, all you do 
is move it around a little.  The easiest way to kill this problem forever is 
to replace RFC3 with a 1K resistor.  That will introduce an additional 
receive path loss of 0.216 dB which is negligable.  Try it and let me know 
what you see.


Bob

___
Elecraft mailing list
Post to: Elecraft@mailman.qth.net
You must be a subscriber to post to the list.
Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/subscribers.htm

Elecraft web page: http://www.elecraft.com

Re: [Elecraft] Shortened figures

[Geoffrey Mackenzie-Kennedy]

Why bother with any RST figures in contests or typical DX  pileup exchanges
these days?  Sad truth if NN is only report.

73,  Geoff  GM4ESD


- Original Message -
From: "David A. Belsley" <[EMAIL PROTECTED]>
To: "R. Meilstrup" <[EMAIL PROTECTED]>
Cc: 
Sent: Monday, December 06, 2004 4:39 PM
Subject: Re: [Elecraft] Shortened figures


> Why even send as much as ENN.  Why not just send N?  You can get used
> to that just as quickly.
>
> best wishes,
>
> dave belsley, w1euy
>
>
> On Dec 6, 2004, at 11:16 AM, R. Meilstrup wrote:
>
> > For the first time I recently heard - in a major contest - CW stations
> > sending ENN instead of 599. It takes a while to get used to!!
> > Rick, OZ5RM
> >

___
Elecraft mailing list
Post to: Elecraft@mailman.qth.net
You must be a subscriber to post to the list.
Subscriber Info (Addr. Change, sub, unsub etc.): 
http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/subscribers.htm
Elecraft web page: http://www.elecraft.com

[Elecraft] Coax Attenuation Calculator

[J F]

Here is a neat site that has a useful calculator to
determine loss at specific frequencies for various
types of feedlines. It may come in handy!

http://www.ocarc.ca/coax.htm

Cheers,
Julius
n2wn
___
Elecraft mailing list
Post to: Elecraft@mailman.qth.net
You must be a subscriber to post to the list.
Subscriber Info (Addr. Change, sub, unsub etc.): 
http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/subscribers.htm
Elecraft web page: http://www.elecraft.com

Re: [Elecraft] Shortened figures

[crmabbott]

If a contest is going to use the 'cut' system it probably would not hurt to 
document that on the web page, QST or where ever they advertise it.  That would 
help out the folks not familiar with the procedure to recognise what they are 
hearing.  

The problem I have with only 'N' is which does it apply to and the first ones 
range is 1 to 5 not 1 to 9.  The remaining two are 1 to 9, the ENN is about as 
short as you can get it and still make sense.  

On the otherhand since everyone is always a 599 regardless, why not leave it 
out completely?  8^)
--
73 Chuck AA8VS

-- William Arthur Ward 


-- Original message -- 

> Why even send as much as ENN. Why not just send N? You can get used 
> to that just as quickly. 
> 
> best wishes, 
> 
> dave belsley, w1euy 
> 
> 
> 
> On Dec 6, 2004, at 11:16 AM, R. Meilstrup wrote: 
> 
> > For the first time I recently heard - in a major contest - CW stations 
> > sending ENN instead of 599. It takes a while to get used to!! 
> > Rick, OZ5RM 
> > 
> > ___ 
> > Elecraft mailing list 
> > Post to: Elecraft@mailman.qth.net 
> > You must be a subscriber to post to the list. 
> > Subscriber Info (Addr. Change, sub, unsub etc.): 
> > http://mailman.qth.net/mailman/listinfo/elecraft 
> > Help: http://mailman.qth.net/subscribers.htm 
> > Elecraft web page: http://www.elecraft.com 
> > 
> 
> ___ 
> Elecraft mailing list 
> Post to: Elecraft@mailman.qth.net 
> You must be a subscriber to post to the list. 
> Subscriber Info (Addr. Change, sub, unsub etc.): 
> http://mailman.qth.net/mailman/listinfo/elecraft 
> Help: http://mailman.qth.net/subscribers.htm 
> Elecraft web page: http://www.elecraft.com 
___
Elecraft mailing list
Post to: Elecraft@mailman.qth.net
You must be a subscriber to post to the list.
Subscriber Info (Addr. Change, sub, unsub etc.): 
http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/subscribers.htm
Elecraft web page: http://www.elecraft.com

Re: [Elecraft] Shortened figures

[David A. Belsley]

Why even send as much as ENN.  Why not just send N?  You can get used 
to that just as quickly.


best wishes,

dave belsley, w1euy



On Dec 6, 2004, at 11:16 AM, R. Meilstrup wrote:


For the first time I recently heard - in a major contest - CW stations
sending ENN instead of 599. It takes a while to get used to!!
Rick, OZ5RM

___
Elecraft mailing list
Post to: Elecraft@mailman.qth.net
You must be a subscriber to post to the list.
Subscriber Info (Addr. Change, sub, unsub etc.): 
http://mailman.qth.net/mailman/listinfo/elecraft

Help: http://mailman.qth.net/subscribers.htm
Elecraft web page: http://www.elecraft.com



___
Elecraft mailing list
Post to: Elecraft@mailman.qth.net
You must be a subscriber to post to the list.
Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/subscribers.htm

Elecraft web page: http://www.elecraft.com

[Elecraft] Shortened figures

[R. Meilstrup]

For the first time I recently heard - in a major contest - CW stations
sending ENN instead of 599. It takes a while to get used to!!
Rick, OZ5RM

___
Elecraft mailing list
Post to: Elecraft@mailman.qth.net
You must be a subscriber to post to the list.
Subscriber Info (Addr. Change, sub, unsub etc.): 
http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/subscribers.htm
Elecraft web page: http://www.elecraft.com

Re: [Elecraft] Tuning CW Stations in 160 meter contest

[W3FPR - Don Wilhelm]

Lee,

If you are using the default 1.5 kHz CW bandwidth for FL1 and listening with 
a more narrow filter, the answer is 'quite likely'.  Remember that the FL1 
BFO is always used for transmit.  This results in a filter alignment 
situation that is seldom mentioned - that of transmit frequency offset.


This problem happens readily if you center the bandpass during filter/BFO 
alignment and are using a filter wider than twice your sidetone pitch.  If 
you think about it, you should quickly determine that to actually center a 
1.5 kHz bandpass on a 600 Hz point, the bandpass will be from 1350 Hz down 
to -150 Hz  -- yes, I said that right, the passband will cross over into the 
opposite sideband!  The more likely thing is that you did not set it up that 
way, so the BFO for FL1 is shifted about 500 to 1 kHz from the remaining 
BFOs.  That is the reasoning behind my recommendations that CW FL1 be set no 
wider than 2 times the sidetone pitch.  The 700 Hz width is my preferred 
normal CW receiving filter width, and I personally set my FL1 to 1.0 or 1.1 
kHz to avoid having to shift the FL1 BFO far away from the other BFOs.


I do wish that the K2 in CW (and RTTY modes) always used the same BFO for 
transmit as that used for receive, but such is not the case - FL1 is always 
used for transmit in any mode (it is necessary in SSB mode).
If the FL1 BFO is not close to the same frequency as the BFO currently being 
used for receive, your resulting transmit offset will be quite different 
than your sidetone pitch.  (Note: IMHO, a few tens of Hertz will make no 
noticable difference, but hundreds of Hertz difference in the BFOs will be 
objectionable.)


Wayne - would it be possible to change the firmware to use the same BFO for 
transmitting and receiving for all modes except SSB?  Or is my analysis 
incorrect here?


73,
Don W3FPR


- Original Message - 

I participated in the 160 Meter CW contest this weekend with my K2/100 and 
noticed something I had never noticed before.  I think that I might have a 
misadjustment in the filters and I am not sure where.


I would tune a station (S&P) to where I thought I was in the bandpass of 
the RC station.  At least the note sounded good to me.  Invariably, I 
would have to tune about a tenth of a KC down to actual make the contact. 
I could call on the higher tone and they would not hear me, but calling on 
the lower tone they would come back all the time.  I have the filter 
center set at 700 with filters widths at 1.5 - 700 - 400 - 100.


Do I have something set to low or to high with the BFO?  This gets 
confusing to me.





___
Elecraft mailing list
Post to: Elecraft@mailman.qth.net
You must be a subscriber to post to the list.
Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/subscribers.htm

Elecraft web page: http://www.elecraft.com

Re: [Elecraft] K2 VCO Alignment

[k4zm]

David:

In checking the truth table for the VCO I find that there are no capacitors 
common to all three bands.  However in checking the relay truth table I find 
that K14 is common to all bands that you are having problems with.  You 
might want to check the solder connections on all the pins of  K14.  However 
I also notice that K14 comes in to play on the 12 meter band.


I think you can assume that all other circuits in the PLL are working 
properly since you get a lock on all other bands.. It almost has to be with 
C71, C73, or C74 or Relay K14.  I would also check to make sure the correct 
type varicap is installed in D21 & D22. They should be the smaller of the 
varicap diodes.  You might want to check to make sure the cut off pin on 
those two are not shorting out to the board.


I am pretty sure that the 8.13V on 30 meters indicates and unlocked PLL.  I 
would double check and make sure that values of C71, C73 & C74 are correct. 
Make sure that you dont have a 470PF in place of the 47 at C73 and make sure 
that C71 is an 82 and not 820PF.


73 & Good Luck
Jim Younce K4ZM
K2  SN: 18 



___
Elecraft mailing list
Post to: Elecraft@mailman.qth.net
You must be a subscriber to post to the list.
Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/subscribers.htm

Elecraft web page: http://www.elecraft.com

RE: [Elecraft] Tuning CW Stations in 160 meter contest

[Steven Pituch]

Pressing the "Spot" button, if you can zero beat the signal, you will be
less than 1 Hz from the other stations signal, if the other station's RIT is
not on.  Then if you can put your 100 Hz signal on, he should still be heard
on your K2.  A great way to catch a Fox.

If the station he is presently listening to is off his transmit frequency,
and he is obviously using his RIT, try zero beating the station he is
listening to because that is where his receiver is tuned.  Also a great way
to catch a Fox if the Fox is operating split.

Steve, W2MY

---
Outgoing mail is certified Virus Free.
Checked by AVG anti-virus system (http://www.grisoft.com).
Version: 6.0.806 / Virus Database: 548 - Release Date: 12/5/2004
 

___
Elecraft mailing list
Post to: Elecraft@mailman.qth.net
You must be a subscriber to post to the list.
Subscriber Info (Addr. Change, sub, unsub etc.): 
http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/subscribers.htm
Elecraft web page: http://www.elecraft.com

Re: [Elecraft] Tuning CW Stations in 160 meter contest

[John]

At 07:01 AM 06/12/04 -0800, you wrote:
>Elecrafters

>I participated in the 160 Meter CW contest this weekend with my K2/100 and
noticed something I had never noticed before.  I think that I might have a
misadjustment in the filters and I am not sure where.<

I think you are OK Lee. I noticed a lot of that also, but I had to tune
some high and some low while S&P. I think the problem was with where the
distant end operator had their filters set. Judging from how crowded the
band was, most were running with very narrow filter selection. I was very
pleased with how well the K2's heard on 160M, no pumping or IMD.

John, k7up
k2's 2012/2223

___
Elecraft mailing list
Post to: Elecraft@mailman.qth.net
You must be a subscriber to post to the list.
Subscriber Info (Addr. Change, sub, unsub etc.): 
http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/subscribers.htm
Elecraft web page: http://www.elecraft.com

Re: [Elecraft] Hi Cur, low power on 17m

[Don Brown]

Hi

One more thing to check is the trimmers. Did you mix up the trimmers. the ones 
for the 17 meters do NOT have a red dot on them. The trimmers for 20 meters 
have a red dot. If you mixed up one or more of them you could have this 
symptom. It is also possible that the VCO is running a the wrong frequency due 
to a bad solder joint or wrong cap in the or around the VCO relay area. I had a 
K2 with a high current on one band problem that turned out to be the VCO 
running at the wrong frequency.

Don Brown
KD5NDB



  - Original Message - 
  From: W3FPR - Don Wilhelm 
  To: [EMAIL PROTECTED] ; 
elecraft@mailman.qth.net 
  Sent: Monday, December 06, 2004 9:01 AM
  Subject: Re: [Elecraft] Hi Cur, low power on 17m


  The only thing that is unique to 17 meters and not used on another band is 
  the VCO and the bandpass trimmers C32 and C34.

  
___
Elecraft mailing list
Post to: Elecraft@mailman.qth.net
You must be a subscriber to post to the list.
Subscriber Info (Addr. Change, sub, unsub etc.): 
http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/subscribers.htm
Elecraft web page: http://www.elecraft.com

Re: [Elecraft] RE: Winding toroids

[W3FPR - Don Wilhelm]

Paul and all,

Each to his own, but I prefer to thread the wire through from the end. 
Using a hook requires the wire to flex sharply at all points as you pull it 
through on each turn and can result in work hardening of the copper.  That 
will not make any difference electrically, but can cause the wire to break 
while you are winding the toroid, and you have to start over again - and I 
find that most frustrating.


When there are many turns on the toroid, I start in the middle of the wire 
so I don't have to deal with threading a very long wire through the core - 
wind half the number of turns, then flip it over and continue with the other 
loose end.


Most important - count carefully, it is the turns through the middle that 
are important, and if one counts the turns on the outside you can be off by 
one turn.  When you first pass a wire through the toroid core, you then have 
a 1 turn winding - think about it that way.


73,
Don W3FPR

- Original Message - 


Since I read an article in "Hints and Kinks" (I think) on using a hook to
pull the wire through the toroid I've always used a crochet hook (that may
need translating into American) from my XYL's selection. You need to use a
metal one, the hook pulls off if you use a plastic one, but they are 
nicely
rounded so they don't damage the enamel. It makes winding neat toroids 
much

more straightforward then trying to "push" the end of the wire through the
hole.




___
Elecraft mailing list
Post to: Elecraft@mailman.qth.net
You must be a subscriber to post to the list.
Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/subscribers.htm

Elecraft web page: http://www.elecraft.com

Re: [Elecraft] Hi Cur, low power on 17m

[W3FPR - Don Wilhelm]

The only thing that is unique to 17 meters and not used on another band is 
the VCO and the bandpass trimmers C32 and C34.


The first thing I would check is the VCO frequency (CAL FCTR with the probe 
in TP1), you should find a frequency near 22915 - if that is OK, rule out 
the VCO and move on to something different.


Next thing to check is the soldering 15/17 meter bandpass filter.  Are you 
able to find a sharp peak on both bands when doing the receive alignment? 
There should be a nice peak point.


If all is well in the bandpass fiilter, look at the Low pass filter for 
15/17 meters - Do L23 and L24 have the correct number of turns and the 
correct color core? (count the turns through the core center, not around the 
outside), and do all capacitors have the correct value? Look at the 
schematic sheet 3 for the RF board to most easily identify those capacitors 
and their values.


Check your soldering again, and then again - particularly look for 
unsoldered connections at relays K5, K6 and K11.


If all the above checks out OK, build the RF probe with the parts provided 
with the K2 and start the transmit signal tracing as described in the 
Troubleshooting part of the manual - let us know where the signal gets lost 
and we can provide assistance at that point.


73,
Don W3FPR


- Original Message - 





Hi all,
I just finished my K2 and have a problem on 17m band. All is working fine, 
I
got about 15 watts on each band and a bit less on 10m but on 17m, the 
display
shows Hi Cur and output power is less than 1 watt... It appears only on 
17m

band.
I have checked solders, they seem to be ok.
Any idea ?
Thanks, 73



___
Elecraft mailing list
Post to: Elecraft@mailman.qth.net
You must be a subscriber to post to the list.
Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/subscribers.htm

Elecraft web page: http://www.elecraft.com

[Elecraft] Tuning CW Stations in 160 meter contest

[Lee Buller]

Elecrafters
 
I participated in the 160 Meter CW contest this weekend with my K2/100 and 
noticed something I had never noticed before.  I think that I might have a 
misadjustment in the filters and I am not sure where.
 
I would tune a station (S&P) to where I thought I was in the bandpass of the RC 
station.  At least the note sounded good to me.  Invariably, I would have to 
tune about a tenth of a KC down to actual make the contact.  I could call on 
the higher tone and they would not hear me, but calling on the lower tone they 
would come back all the time.  I have the filter center set at 700 with filters 
widths at 1.5 - 700 - 400 - 100.
 
Do I have something set to low or to high with the BFO?  This gets confusing to 
me.
 
Lee - K0WA
 
___
Elecraft mailing list
Post to: Elecraft@mailman.qth.net
You must be a subscriber to post to the list.
Subscriber Info (Addr. Change, sub, unsub etc.): 
http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/subscribers.htm
Elecraft web page: http://www.elecraft.com

[Elecraft] K2 Help Please re Loss of Rx

[Mike Walkington]

Hi,

Hopefully someone can help.  KPA100 tests went OK so I assembled the amp
into the existing K2.  All seemed OK but now I have lost Rx on all bands.
Problem exists when I re-install old lid and remove all option boards.  Yes
I know that W1 is removed for 160m board. Shunting this makes no difference.
Tests seem to indicate a short across J4 on the K2 RF board.  I tried the
trick for resetting the relays.  In reset Pins 2,3 and 4 are shorted
together, Pins 2 and 3 because they should be and I  assume Pin 4 through
the turns on T4.  In reset, the resistance from center conductor of J4 to
ground is 1726 ohms (this seems OK through R67 and R68).  Is it likely that
I have a bad relay?  How would I tell?  Any other clues?

Mike
VK1KCK
K2 #2599


___
Elecraft mailing list
Post to: Elecraft@mailman.qth.net
You must be a subscriber to post to the list.
Subscriber Info (Addr. Change, sub, unsub etc.): 
http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/subscribers.htm
Elecraft web page: http://www.elecraft.com

[Elecraft] RE: Winding toroids

[Paul Barlow]

Since I read an article in "Hints and Kinks" (I think) on using a hook to
pull the wire through the toroid I've always used a crochet hook (that may
need translating into American) from my XYL's selection. You need to use a
metal one, the hook pulls off if you use a plastic one, but they are nicely
rounded so they don't damage the enamel. It makes winding neat toroids much
more straightforward then trying to "push" the end of the wire through the
hole.

72/73 Paul M0CDP K2 #2356 KX1 #231

___
Elecraft mailing list
Post to: Elecraft@mailman.qth.net
You must be a subscriber to post to the list.
Subscriber Info (Addr. Change, sub, unsub etc.): 
http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/subscribers.htm
Elecraft web page: http://www.elecraft.com

[Elecraft] Hi Cur, low power on 17m

[QSKguy]

Hi all,
I just finished my K2 and have a problem on 17m band. All is working fine,  I 
got about 15 watts on each band and a bit less on 10m but on 17m, the display 
 shows Hi Cur and output power is less than 1 watt... It appears only on 17m  
band.
I have checked solders, they seem to be ok.
Any idea ?
Thanks, 73
___
Elecraft mailing list
Post to: Elecraft@mailman.qth.net
You must be a subscriber to post to the list.
Subscriber Info (Addr. Change, sub, unsub etc.): 
http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/subscribers.htm
Elecraft web page: http://www.elecraft.com