Ed Muns wrote:
You either crimp or Solder - not both
Why not? I've done both on all my crimped connections for years. Crimping
breaks through any oxidation in the wire and terminal as well as providing
mechanical strength. Soldering adds to both of these as well as reducing
the
It seems like it would be cheaper and easier to do away with the solar
panels and charger. Use the money to buy a few more batteries. Charge
them before FD and you're good to go.
Think about this. It may even rain on FD! The solar panels would only
be good as an ad hoc umbrella or tent
If I recall correctly earlier K3's failed the AMTOR -like mode turn
around time from rx to tx and back.
I believe that is about 15 ms. This was apparently fixed. The 10ms
delay between PTT and RF helps it meet this.
So if it is too slow, some group complains. If it is too fast others
Be careful. Most VGA cables are missing wire connections to various
pins. For example pins 4 and 11 are almost always missing. Pin 9
sometimes. I have one cable that has only 9 wires. These are not
unimportant pins to many of us. The fact that all pins are sometimes
present in the
I agree with you Bill about the noise-- and my hearing drops off lots at
the higher frequencies.
I can't imagine listening to it very long with good hearing.
I have a Timewave DSP-599ZX audio DSP filter here. The high and low
cuts are independently adjustable.
It has a range from 100Hz to
For what it is worth, I've just completed a Fourier analysis of the
original K3 and revised K3 waveforms presented by G4AON on his website.
I was a bit concerned that the sharpening of the leading edge would
adversely affect bandwidth and possibly generate clicks.
Bottom line for the region
For another view on 6 meters see:
http://www.kh2d.net/opinions/article.cfm?id=14
While somewhat tongue in cheek, there is a lot of truth to it.
You have to look at the joint probability of the band being open and you being
at your rig. For some, this joint probability approaches zero.
And get the backlog down to almost off the shelf ...
It is clear that it isn't just the HF op who is blind.
73 de Brian/K3KO
jimbrass wrote:
I'll have to go along with K3KO; I tried to opine the same thought
through Nabble and it was never posted. Three of the most voracious
modes,
Heaven forbid. The bandswitch belongs on the radio.
I waiting for the day the Elecraft decides to drill a hole an the front
panel and add a real bandswitch.
I'm a bit dismayed by all the extra dongles I will now have to
connect to interface the K3 to existing equipment-- e.g. an external
Augie,
And what success do you expect in hitting 10.101 or 18.068?
Unfortunately the ham bands don't all start with .000 lower limits.
What is really needed is one button press to get to the band you want.
Two to six button presses alone or in combo with knob twisting simply
isn't
Dave,
I don't agree with your conclusion at all. It just takes practice. If
you're having trouble crank the filter width of the DSP to a narrow
setting and tune until the signal peaks. That will be close enough.
The extraneous signals from other stations and noise within wide filter
Ken Kopp wrote:
Hi Ken,
I used to be the line noise tech for my power company
employer ...
Touch lamps are a seldom-thought-of source of line noise.
Wall-warts, too.
Walwarts of the future will most likely be a real pain. I understand
some legislation has required all of them to be
In my opinion you don't want to burden the radio with this.
The preferred way is to use any contesting program for logging and set
it up to be a single band operation.
Trying to make the radio so smart that it compensates for operator
error is inappropriate.
The op makes a mistake, tough.
I think you guys have to look at some recent history. Even in this day
and age ASCII like files are use extensively--even for new applications..
For example ADIF and Cabrillo files (LOTW and contest logging programs)
These are not necessarily small files. ADIF files do have the tags
people
Ian,
One also needs perhaps 10db of noise headroom for modes like JT65
which copy many db below the noise.
My opinion is the an internal option for this preamp is needed.
Dangling still another box with the attendent extra cables outside the
K3 isn't desirable here. Yes the preamp does
Don ,
I agree we think in bands. That's why the band button arrows ought to
do the right thing.
Here is the situation now:
I want to go from 20 to 10 meters. I have to press the DOWN button to
go from 10 --20. Doesn't makes sense by any thought process.
Last I knew they still teach
Hi Bill,
If you worked RTTY you would find out that the 250Hz filter is ideal
for recovering weak ones and for 20M during RTTY contests. The dual
passband filter fits very nicely within it. I don't care what
bandwidth you call it. Don't eliminate it as a choice.
I was astounded the
Simplier solution. Costs nothing
Go to SOUND in the Windows configuration. Create a file with all sounds
turned off. Save it. Use it when operating PSK.
You might like the silence so much, you'll use this file all the time.
Personally, I really dislike any sound intrusions from Windows
What are the detailed instructions for using the RF gain calibration
function? Equipment required?
Pardon this if it has already been covered but NABBLE is a real mess
here and I can't find much with a search.
73 de Brian/K3KO
No virus found in this outgoing message.
Checked by AVG -
Wideband noise generator.
Make offer off reflector
Finished what I had to do with this unit.
de Brian/K3KO
No virus found in this outgoing message.
Checked by AVG - www.avg.com
Version: 8.5.409 / Virus Database: 270.13.113/2397 - Release Date: 09/26/09
17:51:00
I've played with the last command. It is exactly what I have needed
since obtaining the K3. It eliminates a significant drop in main AF
experienced here when going from main to split with subRX for weak CW
sigs. (minus splitter loss of course)
No my drop isn't due to a faulty subin board.
Are the RF calibration values saved in the configuration file?
Brian/K3KO
Wayne Burdick wrote:
K3 beta-test firmware revision 3.41 (with DSP rev. 2.37) is now
available. See release notes below.
More refinements are in the works. But alas, it was time to shoot the
engineers and get some
Installed this.
Had it store my configuration file.
It won't let me store it again. (I normally also store on a USB flash
drive too)
Clicking on store configuration does nothing. (It might flash something
up for a microsecond)
Tried rebooting machine. Reinstalling utility.
Same
I tried looking hard for this in both SSB and CW.
The only pop I hear is when width moves to a new filter.
Is there some other mode that this shows up in?
(Listening in earphones, with AFX off.)
73 de Brian/K3KO
Elliott Lawrence wrote:
Thanks HectorGlad it isn't just me being too
Retraction. It is evident in the F1-1 through F1-4 modes.
Don't hear it in the F4 modes.
73 de Brian/K3KO
Brian Alsop wrote:
I tried looking hard for this in both SSB and CW.
The only pop I hear is when width moves to a new filter.
Is there some other mode that this shows up in?
(Listening
This works!
Tried coupling the subrx on command with the mono audio command as
another macro (to avoid getting linked, diversity or something else
when pressing the SUB button.. and feed both audio outputs into both
ears). Hung the K3. Had to power down to recover. Probably my fault
Works great.
Did clobber the macros in M4 and PF2 but they were easy to restore.
73 de Brian/K3KO
Wayne Burdick wrote:
Normally, main RX audio is heard in the left channel, and sub in the
right. Now, using the CONFIG:MIX menu entry, you can put main RX audio
in both channels while leaving
This was suggested before in some form. It sure would be a great help
for us tap or hold incompetents to have these kind of macros/buttons as
toggles.
It is frustrating to get the wrong choice. I'll accept it that a
telepathy interface isn't on the horizon.
1) split+N
2) qsk
3) sub
.
.
.
.
Was switching between various digital modes and shot myself in the foot.
Turns out that AFX was set on by mistake and it destroyed the dual peak
passband function. I was unable to decode RTTY with an external TNC
connected to line out. Spectrogram showed why. Turning AFX off fixed it.
This will be a mind blower! Knowing which key each of the N * 8
functions is under what key will require more brain RAM here.
Does open the opportunity for toggles though.
I recall the first keyboard which had some unlabeled keys.
What they did was always a question.
73 de Brian/K3KO
Wayne
The website shows 0ct 2008 as the latest set of skematics.
Given that one can't pencil in mod changes to a PDF file, it would be
nice to see these updated.
73 de Brian/K3KO
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Guys,
Thanks for all the measurements. It is clear that noisy is a
integrated perception-- kind of like what good audio is. It all
depends upon your nearly impossible to quantify reference for good is.
It kind of reminds me of when I switched over from a CRT monitor which
had a convex face
Dave,
The premise that nobody can copy high speed CW is simply false.
The RUFZ contest simulator shows that hundreds of contest stations are
able to pull out call signs at over 50 wpm. The top guy does this at
160 WPM. See: http://www.sk3bg.se/contest/rufztop.htm
In many contests the
And it's connectors is quite true. I did some back of the envelope
calcs here and 60-75% of the voltage drop appears to be due to the
connectors + power supply sag.
This conclusion was drawn from a least squares linear fit of the V vs I
plot to obtain an effective R value. Then the cable
Ron,
I may be mislead by the K3 displays, but this seems to be able to be
done in beta V2.76.
Initial condition. Main rx on main ant Subrx on. Diversity not
selected.
1) A-B twice to copy all to sub
2) Now select RX ant for main (assuming that's where the rx antennas are).
If you want
While we're opening the notch topic, how about a truely narrow notch for
CW-- maybe about 30Hz.?
The present one is far too wide for most CW situations.
One is running stations and another station starts up too close on one
side. A narrow notch could be one more tool.
Alternatively,
I guess I'm missing the boat on this discussion.
I thought all high power VHF ops used an external sequencer board that
did the following type of thing.
RX to xmit:
1) Bypass the mast mounted preamp, wait a bit
2) Put the amp in the tx mode, wait a bit
3) Put the xvtr in the tx mode, wait a
Guys,
Out of the blue, the external keyer input to the K3 produces mushy dits
at higher speeds. It seems that each dit has a tail which reduces the
off time till the next. This happens in the TEST mode as well as with
RF output. It is most noticable above 25 wpm on S,H,5 characters. The
KEY IN for external keyer (paddle connected to external keyer, keyer
output keying FET to key in) , PADDLE connected to paddle input for
internal keyer.
73 de Brian/K3KO
Darwin, Keith wrote:
I'm confused. Which key jack are you plugging into?
- Keith N1AS -
- K3 711 -
-Original
-
-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Brian Alsop
Sent: Friday, January 16, 2009 8:13 AM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3- external keyer problems
KEY IN for external keyer (paddle
Guys,
Has anybody installed the high stability oscillator after the subrx was
in place?
It appears that one may simply be able to unplug the old and plug in the
new.
73 de Brian/K3KO
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Post to: Elecraft@mailman.qth.net
You
Does this program generate plots for both main and sub rx?
73 de Brian/K3KO
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You must be a subscriber to post to the list.
Subscriber Info (Addr. Change, sub, unsub etc.):
with 2.78) if you enable
MON and then hit the key, the MON control will be operative while
transmitting and one can set the level to match the audio, at least as
long as you leave the AF at the same setting.
73, Guy.
- Original Message - From: Brian Alsop als...@nc.rr.com
The K-3 uses direct digital synthesis to get its frequencies, why not you?
For those of you who want to do a little HBing . There is a direct
digital synthesis RF generator kit from the below for under $30.
Upper audio to 60MHz with at least 1 Hz resolution. Fits in a tiny minibox.
Anybody out there successfully configure the SUB-RX for HI tones (2125Hz
mark)in FSK-D?
I can't seem to do it. A-B all doesn't work. BSET apparently doesn't
recognize the pitch control used to set this.
Spectrogram clearly shows low tone audio being output.
Firmware 2.8x being used here.
Is mixed sub/main mono audio still on the list?
Line out audio needs to be mixed too. This need became evident when
trying to work split RTTY using the subrx and an obviously mono TNC.
CONFIG LINE OUT = PHONES already provides the mixer control.
73 de Brian/K3KO
Had the same thing happen after installing the new Google Earth today.
I couldn't figure out what was changed in the audio pannel.
Restoring computer to a state just before the Google Earth install
solved the problem.
73 de Brian/K3KO
N1IX wrote:
I am having a problem with receiving RTTY
Other problem of course: How to make it smart enough, in the presence
of other CW sigs to lock on to the one you want.
More than likely it won't and you'll have to mess around with manual
controls to fix it's mistake.
A person using a knob can do the job much better than a ton of software.
While fooling around with a station configuration change, I managed to
trigger this.
It's a great idea.
However, once triggered, you can't turn off the K3 with its power switch.
You have to go back and turn off the power supply.
Is this how it was intended to work?
FW V2.81
73 de
Clairification please.
The documentation says this:
*
SSB/DATA-A/AFSK-A TRANSMIT POWER LEVEL: Power output in these
modes now more closely tracks TUNE power. We recommend setting
CONFIG:TXG VCE to 0.0 dB after loading this release, then
adjusting only
if
Interesting review of five commercial wattmeters in March QST.
Power levels from 5 to 1000 watts and frequencies from 2 to 50 MHz.
For CW:
Most are within +/-10% at 100 watts.
Many are way off at 5 watts (as much as 70%) and 1000 watts (up to 24%)
Bottom line: Hard to measure watts accurately
Jim,
Ditto here. #1129. AGC slope= 13, AGC THR =8. AGC set to fast. Never
touched the RF gain control.
I was totally amazed to be able copy weak ones under strong ones within
the passband.
Experienced none of the mushing reported here.
However, when I first got the K3, I did manage to
I seem to recall another post where someone said the line out level for
the sub rx was considerably below the main RX line out level. Couldn't
find it in a NABBLE search.
Using firmware version 2.82 now. Also line out = phones. Normal
listening levels on main have the AF gain at about 9
Please ignore the following post.
Got out the scope and looked at outputs. AOK.
Problem was with the way Spectogram was inserted in the circuit in a
stereo environment.
73 de Brian/K3KO
Brian Alsop wrote:
I seem to recall another post where someone said the line out level for
the sub rx
N3TU
Is it possible that the TX power calibration by band was not done?
Might be worth trying it again with the dummy load. The new firmware
program makes it easy.
73 de Brian/K3KO
hb9ari wrote:
Correction!
There are 18.5A (instead of 20A) under 14.0V.
I omit to subtract 1.5A for some
Agree with Ed. If you need WINKEY do it, if you don't why add to
complication?
Many of us don't. KIS.
I think it is a bit ironic that for RTTY, external TNC's have become
passe in favor of direct computer decode/encode.
However, for CW the direction is to the equivalent of a CW TNC-- at
Natural questions:
1) What are symptoms of them not being cut?
2) About what vintage main RF board are they not cut?
At least it looks easy to get to.
73 de Brian/K3KO
David Pratt wrote:
Although I don't recall seeing anything about it on here, the latest
KRX3 Errata Sheet C-6, dated 3 March
Was it Gotham that used corrugated aluminum tubing? Seem to remember
one antenna that we could never get the pieces apart.
The corrugations caused too much binding. Nobody used Alumilox any such
thing in those days.
73 de Brian/K3KO
Ron D'Eau Claire wrote:
Where Gotham stumbled badly was in
Loaded it. Did not activate any new features.
RX was terribly noisy on CW.. Tracked it down the AGC THR being
changed from 8 (my setting) to the default value. Setting it back at 8
solved the problem.
Anybody else see this?
73 de Brian/K3KO
wayne burdick wrote:
K3 beta-test firmware
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
I've heard these signals for years on 18080 kHz and up.
Perhaps 17M prop is so poor they moved to 20M.
There are at times now three distinct stations on 20M CW.
They are wider than my 2.7KHz filter. Spectrogram shows they are
composed of more than 8 tones, spaced about 200 Hz apart.
I seem to
LINE OUT = PHONES is stuck. Can't change it back to NOR.
Other menu items can be set/reset OK.
Anybody else seeing this?
Reloaded 3.04 and problem still there.
73 de Brian/K3KO
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Elecraft mailing list
Home:
Tnx all.
Of course it works!
Done in by thinking you know the radio.
Twisting the main tuning knob does not work and isn't supposed to.
73 de Brian
Robert Dorchuck wrote:
Tapping 1 toggles it between PHONES and NOR for me .
Bob W6VY
- Original Message -
From: Brian Alsop als
Is there a command to put both main and sub in both ears?
(I've wanted this from day one.)
73 de Brian/K3KO
Lyle Johnson wrote:
Hello Dave!
I've already programmed one of the command tester macros for it. Is
there an equivalent command to set it back to normal?
Assuming you mean
Installed this (1.2.3.18). Removed old loader first.
It appears to set the rig in AFSK A mode for digital overriding what was
last used. My digital mode is always set to FSK D.
Happened last night when testing with FW3.06 and today with FW3.10.
This did not happen with the older loader/FW3.06
I can, restored), but data submode is not one of the
things I touch.
Dick, K6KR
-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Brian Alsop
Sent: Thursday, April 16, 2009 12:43 PM
To: elecraft@mailman.qth.net
Subject
It seems the CW pitch is getting lost during power off.
Happend 3 times so far. Start sending and monitor puts out something
like a 1 or 2 KHz pitch. Press pitch control and it returns to set
value and acts noramlly for the rest of the session. (Haven't a clue
what pitch the rig is
Steve et all,
Not his friend but have had this thumping problem since day 1 --
particularly with a low monitor level.
For some reason it is less objectionable with monitor level up higher.
You might try turning the monitor level near zero and give it a listen.
Glad to see that Elecraft is
Using the CW offset feature to go from SSB CW modes . Works as
advertised.
However when I click on a spot when in CW mode to go to USB something is
odd:
Example:
In CW mode at 50.110
Click on spot on 50.125
Radio goes to USB mode at 50.124.47 -- 50.125 minus CW offset of 530 Hz.
Anybody
These things are great in concept. However, a large amount of the
stealth is lost in the 6 months of site prep and erection of them.
Thye would be fine if they just grew overnight.
Every one I've seen stuck out as a sore thumb. You need them to be
located in a forest of same type
In the menus check which antenna is selected. In my case for some bands
it was AUX instead of ANT1 when rig first fired up.
You have to set this by band.
73 de Brian/K3KO
Julian, G4ILO wrote:
W6NEK wrote:
I need to clarify my opening statement.
The Main and Sub Receivers are both deaf
I agree with W4TV, for me installing the KRX3 the first time was a real
nightmare. I kept getting stymied by the cables and tilts required to
get it in.
As far as removing and installing the PL board, we older guys don't have
skinny, dexterous fingers any more. One of these days a dropped
Bob,
Given that the K3 display is 1x5, this display would be 4x as large.
That doesn't seem too small to me.
I'm a bit surprized by the size-- particularly the depth. I was hoping
for something I could put anywhere. The depth and 6 width strikes me
as somewhat excessive for my needs. Desk
Doug,
Here's what I've gleaned on the 1010
The 1010 is a different beastie from the 1000. It isn't just a 1000
without 6M.
1) takes more drive for full output.
2) full output at least a few hundred watts less. (I also believe the
transformer is not has hefty)
3) an electronicly controlled
Jaime,
There is another group of people who appreciate a peaking function for
CW. That group is those of use who remember using a Q-multiplier. It
had both a peak and null position and worked at the IF frequency. The
peak function was super for CW.
73 de Brian/K3KO
K9ZTV wrote:
Jaime .
Unlike the phone guys, most CW guys could care less about audio
distortion or quality for that weak one. They just want to be able to
copy it. The information is in the off's and on's, the rest doesn't
matter.
The old QF-1 Q-muliplier had an advertised Q of 4000 @ 455KHz. That's a
Guys,
Was trying to figure out whether this is necessary. (not a big deal but
extracting the K3 from the bunch of connection is a pain)
It appears to me that this mod may be needed if one has two radios and
an A/B switch which has insufficient port to port isolation.
Some hand calcs
How does one test this without a calibrated signal source?
Why was 80M chosen for the test frequency? Most ops have preamp off and
many have attenuation in.
It appears one needs something like an 80db over S9 sig for it to cut in.
73 de Brian/K3KO
No virus found in this outgoing message.
.
There perhaps may be other mods that could be detected in software and
reported as well.
73 de Brian/K3KO
Brian Alsop wrote:
How does one test this without a calibrated signal source?
Why was 80M chosen for the test frequency? Most ops have preamp off and
many have attenuation
Bill is right.
The below prescription does indeed allow one to use the 1.8KHz filter
successfully on SSB. It is another tool in ones toolbox to help when
things get tough. It plus the other K3 QRM fighting choices can be
quite effective.
The objective here is not fidelity. Of course the
K3 #1129 FW 2.02/1.77
Rig has full CW output on these bands. FSK D output is also normal all
bands.
SSB output is about 2-8 watts on these bands either USB or LSB. Works
perfectly on 20-6M on SSB-- either USB or LSB.
No adjustment of mike gain brings output up. 2.7KHz crystal filter is
David,
Glad somebody else is experiencing this. I tried plugging in a set of
Heil BM-10 earphones into the K3. It was if the leads were shorted.
I sent them back to Heil who declared them within spec. I tried an el
cheapo computer 32 ohm headset with only slight improvement.
Odd thing is
These are exactly the condx the BM-10 are useless for here.
.
73 de Brian/K3KO
K7TV wrote:
What is adequate headphone sensitivity may be highly dependent on operating
mode and rig selectivity.
Case in point: Many years ago I ordered an FT-1000 and a Heil headset
(forget which model). Headset
From the K3 manual page 20
Sterero or Mono 16 ohm min. recommended
32 ohm earphones are quite common. Not surprising 16 ohms is the
paralleled configuration of the two 32 ohm individual ear sides for mono.
I first ran into 32 ohm earphones for an FT1000MP.
73 de Brian/K3KO
WILLIS COOKE
Just looked at what this Dual PB filter was doing with SPECTROGRAM.
Set up with a width of 600Hz and a 1.8 KHz roofing filter. DPB off and on.
The 600 Hz alone has the normal filter passband shape.
DPB on gives a narrower center filter less than 200 Hz wide and two
augmented wings down about
And don't be suprised that the results show that nobody can agree on a
single speaker which sounds best.
Since tastes (and hearing abilities) vary so much, recommendations on a
good speaker system must be taken with a grain of salt.
Ditto on adjustment of TX audio. You are at the mercy of
Dave,
Keep in mind there are 33x33x33x33x33x33x33x33 equalizer settings. Most
of them are bad.
Give me a mike with a shaped response for communications and a flat set
of equalizer settings any day.
73 de Brian/K3KO
Dave Hachadorian wrote:
I'm on vacation here, and the only mic I have
A datapoint on whether or not it is likely to generate 1 or 2 watts of
input to the RX antenna.
A number of contesters had been using ANC-4 noise limiters as preamps
rather than their intended function. The RX antenna was ported through
it and to the receiver. 1/4 watt resistors in the
Steve,
With all due respect, the problem isn't with the coax, it is with the
antenna which is designed poorly for the frequencies of operation.
Even traps in a decent multiband antenna design, fed with coax, wouldn't
have a 6db loss of the ladder line you're claiming is OK..
73 de
I don't know if it is still the case.
Years ago, MMTTY for FSK assumed USB reception for polarity. If guys
were trying to receive your FSK signal on LSB, it was inverted. There
was no software switch to invert the polarity either.
Perhaps this has been resolved by now.
73 de Brian/K3KO.
Bob,
In fact, just pressing SPLIT should get you to the same condition as two
A-B taps and pressing SPLIT.
Miss one of the three steps are you're transmitting on the DX frequency.
I just don't understand the logic. It isn't if operating split is a
rare occurrence.
Those few who want
Most of you are missing the issue.
The issue is that pressing SPLIT should do it all in one press.
The three past rigs I've owned from the big three all did this.
It isn't about AB once or twice.
Brian/K3KO
David Robertson wrote:
Put me in favor of having the 2/1 tap operation menu
Greg - AB7R wrote:
And of course it just came to me that the problem will still be there when DUAL is on regardless of
using the external mixer box or not. :)
Greg - AB7R
And of course, it is still another external box one has to add just to
get any mixing. Mixing that I'd much
Greg,
What you say simply isn't true if one is using text decode or displaying
other VFO B slot parameters.
73 de Brian/K3KO
Greg - AB7R wrote:
The K3 does not do this simply because there is a separate display for both VFOs
and are shown at the same time. So you always know what your RX
Unfortunately, good color is in the same boat as good audio. It is
very subjective and varies so much with individuals.
I rememeber when color PC monitors became available. It opened a whole
new era of trying to please everybody with a color scheme for
programs. There was no one color
Egads, $35 + shipping for a 6 cable that can be made for a few bux.
What a rip off.
73 de Brian/K3KO
Turns out that the standard Kenwood cable CC-1XLR-K, with the red
connector is perfect for the K3 (HRO price $35.95).
__
Elecraft
Perhaps you were unaware of this mod:
http://www.elecraft.com/K3/mods/AF_Output_Mod_Rev_C.pdf
I believe that it was specifically designed to protect against what you
did for pre DEC '08 K3's.
Is your's this old?
It would be nice to know if this mod did not work for a newer K3.
73 de
Was operating on 17M SSB with NR on. Went to change AGC setting. When
it cycled through AGC off, the NR turned off. It did not return when a
more slow or fast AGC was selected.
Don't know if newest firmware has this feature or not.
73 de Brian/K3KO
David Ferrington, M0XDF wrote:
Regarding the battery, is there a way to check it's voltage or projected life
- without taking the cover off and measuring it?
73 de M0XDF
Reminds me of the same suggestion implemented in a few IBM prototype
PC'S for the CMOS battery. They devised a circuit
Anybody else noticing that there is considerable knob play in the four
shift/width/speed and cmp controls. The same for the RIT knob.
By knob play, I mean if you grasp the knobs and move them up/down or
side to side, they move that way. Not expected.
Odd, I never noticed it until not using
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