Julius Fazekas n2wn wrote:
there still seems to be latency with the RF gain pot.
I rarely touch the RF gain so I can't comment on that specifically, but
there is often a noticeable lag between turning the other front panel
controls and the value changing on the front panel display. This
Not sure if this is a question or observation. Saturday I was setting up a DEM
transverter to be used with a K3 and found the low level output of the K3 is
dependant upon the input attenuator setting on the DEM transverter. I set the
max output on the K3 in the menu to 1.8 dbm , which the
I'm getting used to my new K3, but have a question.
My K3 has the 400hz 8-pole filter and the latest firmware. I've noticed
that the difference between running the DSP filter at 100hz and 150hz is
greatly increased volume at 150hz. With the NR on (F2-4) easy listening
at 100hz will bow your
Band UP or Band Down - both VFOs go. Enter a freq for VFO A,
VFO B follows to the same band as VFO A - but not the same frequency.
That is normal operation - the VFOs can not be on different bands.
If you enter a frequency on VFO A, VFO B will change to the last
used VFO B frequency on the
On Mon, Feb 2, 2009 at 9:58 AM, Robert Naumann (via Nabble)
ml-user+54566-1351953...@n2.nabble.com wrote:
Bill,
I don't have the sub rx, and as suggested, I tried holding SUB to toggle.
It doesn't make any difference regardless of it showing LINK or UNLINK.
I was responding to your
Roy Morris-6 wrote:
I would like to back up my CONFIG settings
One more point. The Utility Configuration Save is saving much more than
just your CONFIG settings. It saves EVERYTHING including all calibration
constants. So anytime you do a recalibration, change your XFIL parameters,
Roy,
Yes, that is what that funcion in the utility program is for. I believe when
you
save it a window will pop up and you will see what the file path is. It is
probably a sub folder where the utility program resides.
Another thing you can do is run Ham Radio Deluxe. There is an Extended
Dear all,
I have plans for a K3. I am spending most of my time on the HF bands hunting
for new countries looking forward to make my 5 band DXCC with 300+ countries
in the next 10 years. Have room for modest antennas only. Any comments
regarding the suitability of the following configuration for
Dear Kjeld,
You don't say what modes you are intending to operate.
I have removed all the extra filters from the list as I have found
the standard filter offering from Elecraft to be up to the job on
both SSB and CW. However, you might consider adding a 400Hz filter
for CW if that is your main
John Huffman-3 wrote:
I'm getting used to my new K3, but have a question.
My K3 has the 400hz 8-pole filter and the latest firmware. I've noticed
that the difference between running the DSP filter at 100hz and 150hz is
greatly increased volume at 150hz. With the NR on (F2-4) easy
Dear Stewart
Would like to be ready for any mode that the DX will be running when the
band is open and I am QRV.
Vy 73
OZ1CCM Kjeld
-Original Message-
From: Stewart Baker [mailto:stew...@baker.nildram.co.uk]
Sent: 2. februar 2009 17:16
To: Kjeld Holm; elecraft@mailman.qth.net
In which case you will also require the AM FM filters.
73
Stewart G3RXQ
On Mon, 2 Feb 2009 17:24:22 +0100, Kjeld Holm wrote:
Dear Stewart
Would like to be ready for any mode that the DX will be running
when the
band is open and I am QRV.
Vy 73
OZ1CCM Kjeld
-Original Message-
Adding a little to these comments:
I operate a lot of CW on traffic nets, and with props the way they are,
often have to deal with pretty weak signals on 40m. The NR function works
well to make an apparent improvement in the signal-to-noise ration to a
significant and useful degree; however
Wes Stewart wrote:
Following are links to plots that demonstrate some of the fun I'm
having. The first two are taken using Spectrum Lab to look at the Line
Out audio signal from the K3. The input signal is from a homebrew 28.7
MHz crystal oscillator/buffer with about a -70 dBm output
If you know what caused the problem, it's fairly simple to undo
anything in
the K3 (e.g. tapping METER while in CONFIG gives you the default
setting for
most parameters). I believe the question was how to recover if you get
yourself into an unknown state and don't know how you got there.
Wes Stewart wrote:
For the second plot, *nothing* has been changed except the AGC button was
toggled to Fast.
http://k6mhe.com/n7ws/K3_AGC_Fast.jpg
Very interesting - looks like an 80hz signal from somewhere is mixing with
the fundamental.
73,
Barry N1EU
--
View this message in
Any comments
regarding the suitability of the following configuration for the mentioned
purposed will be appreciated.
K3/100-F (100 W Transceiver
KPA3-F (ATU 100W)
KRX3 (Subreceiver)
KTCXO3-1 (Stable oscillator)
KUSB (USB)
KDVR3 (Digital Voice Recorder)
KXV3 RX Ant
2 pcs KFL3A-2.8_2.7sw
Good point. The Utility will let you snap a baseline of your rig
settings, today.
What may be easier to use also is, upon finalizing your settings on the
K3, you snap the baseline of the config via the Utility.
Time passes and you screw up your K3 config.. you get it out of wack and
want to
Hi Bill,
Supposedly my S/N has the mods already. Nevertheless, I don't use the line
output for anything normally and speakers are for listening to music. I won't
be wasting my time looking for the problem if I wasn't actually hearing it too
in my good quality headphones.
Regards,
Wes
---
The K3 Utility saves CONFIG settings plus calibration data plus the current
control settings; everything that is erased by EE INIT. See the
configuration tab of the K3 Utility and the associated discussion in K3
Utility Help.
Configuration data is saved in a file in your PC file system.
The manual indicates than when ESSB is turned on, the TX EQ menu
function becomes TX* EQ (or something along those lines). I don't see
that happening.
Did I miss something, or is this one of those features still to be
implemented?
Thanks ... Grant/NQ5T
The manual indicates than when ESSB is turned on, the TX EQ menu
function becomes TX* EQ (or something along those lines). I don't see
that happening.
The errata sheet should indicate this feature is not yet implemented.
73,
Lyle KK7P
Thanks, Guy, that appears to work. I should have thought of that
myself, I guess, but somehow I thought PITCH would be separately
definable for the subreceiver.
I used BSET to shift the subreceiver about 150 Hz. I've tried it both
directions, but lower of course gives me the greatest
Guy, K2AV wrote:
If what you are saying is that you want to hear a different band of tone
in
each ear, say 400-550 in the left ear and 550-700 in the right, that is
easily done by setting the shift.
Shift won't change the pitch/sidetone, it will just change the passband. It
will
John Huffman-3 wrote:
My K3 has the 400hz 8-pole filter and the latest firmware. I've noticed
that the difference between running the DSP filter at 100hz and 150hz is
greatly increased volume at 150hz. With the NR on (F2-4) easy listening
at 100hz will bow your ears out at 150hz.
I have an heavy trouble with my K2/100. During last french contest in SO2R
setup, I made a mistake and keyed the K3 with the K2 still on the same band. I
heard a strong noise in the K2, saw smoke and the TX was dead. RX OK. I've just
replaced the 2 low level PA transistors : they were broken,
Craig, there is one problem... The scale on the K3 is fixed courtesy of
the LCD, so what you see is what you get, so to speak.
73 Dave, G4AON
K3/100 #80
I would like to suggest the following as a possible future improvement
to the K3's S-meters scale..
SNIP
73
Craig
VK3HE
Adam Koczarski wrote:
Virtually every software application has an undo key. Backups are for
major
restores, not for a mistaken edit. When's the last time you used a backup
to
restore a document you mistakenly delete a word from?? Not quite the same
thing.
Adam - ka7ark
If
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
Hi Everyone,
I have a* KFL3A-400 400 Hz, 8-pole CW roofing filter for sale for the K3.
Perfect physical and electrical condition.
It is simply extra to my needs right now.
Sells new for $125.95.
Will sell for $95.00 shipped via USPS Priority Mail in the USA.
Please respond to me off of the
James,
I am so sorry to hear about you hand problem. I'm sure this has been a
terrible thing to deal with.
I don't know your full situation, but may I be so bold as to suggest that
perhaps you try learning to send with your other hand? I've often thought
about doing that myself, but never
Hi, Dave,
If what you are saying is that you want to hear a different band of tone in
each ear, say 400-550 in the left ear and 550-700 in the right, that is
easily done by setting the shift. Set the shift for the left as you want it
for main RX. Then hold BSET to get b SEt display, the
Wayne .. I know that you are still working on the code to allow the SUB
Receiver to tune a different Band than the MAIN Receiver.
I will be using a K3 on 6M with two antennas connected to ANT-1 and ANT-2 -
one a Yagi and the other Horizontal Loop. Sometimes both receivers will be
used with
I just tried another test, which I think tends to confirm my theory in some way
(or that something is amiss). When I apply my 0.5 mW 146 MHz test source to
the XVTR OUT jack, the DC voltage at the cathode of D3 in the K60XV (the
detector for VRFDET) increases from zero to about 0.1 volts. So
Terry:
I have seen much the same thing with a DEM transverter and my K2, and I agree
with your assessment. The IF circuitry in the DEM transverters does not seem
to be designed to give anything close to a 50 ohm input impedance, especially
when set for for very low input powers. It is quite
I've only had my K3 for a little over a week. RX performance is great, but
I'm finding that some operational things don't work as I expect they should.
Perhaps I just to be pointed in the right direction to understand what is
happening?
Frequency Memories:
I have been trying to store some
John Huffman-3 wrote:
I have a second question. I liked to run my Orion on CW with the AF gain
up, RF gain down, narrow filter and NR on. That way it listening to the
other station was like listening to a code practice oscillator. On the
K3 I still get background hiss with the noise
I would like to suggest the following as a possible future improvement to the
K3's S-meters scale..
We would have 2 switchable scales, the current scale and an alternate meter
scale that uses the current S9+60db scale range to indicate signals only
up to the S9 level. This would give a
Thanks to all for the replies. Stewart identified the problem. It was
self-inflicted.
I had set the RX EQ to optimize the CW shift frequency and retard all
other frequencies. Undoing that solved the problem. Thanks!!
As for DSP and narrow CW bandwidths, it is the smart squelch that I am
Adam Koczarski wrote:
Virtually every software application has an undo key. Backups are for major
restores, not for a mistaken edit. When's the last time you used a backup to
restore a document you mistakenly delete a word from?? Not quite the same
thing.
Adam - ka7ark
Every day.
Roy Morris-6 wrote:
I would like to back up my CONFIG settings without having to go through
each one and writing it down. Does the SAVE K3 CONFIGURATION AS button in
the ELECRAFT K3 UTILITY do this? If so, where is it saved? I thought I
would look before I leap. Thanks. Roy Morris
I, too, rarely have changed the RF gain in the past... So perhaps I've missed
a change.
Need to find another K3 close by and see if it does the same thing as mine.
73,
Julius
Julian, G4ILO wrote:
Julius Fazekas n2wn wrote:
there still seems to be latency with the RF gain pot.
I
--- On Sun, 2/1/09, Jim Garland 4cx2...@muohio.edu wrote:
I've been reading a thread on another email reflector about the K3's audio
response on AM. One of the reflector participants is a serious SWBC listener
and is very dissatisfied with his K3's AM audio. He has pointed out a few
things
I have not found NR to be useful for CW reception. It distorts the signal even
on the lowest setting and to me makes the signal harder to copy than without
NR. I use 50 and 100 HZ DSP a lot and these narrow settings seem to improve
the signal to noise level a lot.
I just finished a lot of
Bob,
Independent bands is not yet available in the firmware. I know it is
being addressed for the sub-receiver, but I am not certain about the
possibility for cross-band operation with only the main receiver installed.
When you try to store a memory, how long is your 'hit' on the VM
button?
I would like to back up my CONFIG settings without having to go through each
one and writing it down. Does the SAVE K3 CONFIGURATION AS button in the
ELECRAFT K3 UTILITY do this? If so, where is it saved? I thought I would look
before I leap. Thanks. Roy Morris
Robert Naumann wrote:
I now see that when I change frequency on VFOA, VFOB also changes to some
frequency in the same band as VFO A. Band up and band down moves both VFOs
also. This linked VFO behavior strikes me as unusual.
Sound like you've unintentionally LINKed the two VFOs. Hold
I'd like to illustrate where the KXV3 could be useful even with a sub RX
installed. I have the sub RX but I don't have the KXV3. I frequently use
diversity reception on 80 meters because my receive antenna is less noisy
than my transmit antenna. But I usually end up with the balance control
The Microsoft's road map is mainly for the other folks that need to make
changes to their software based upon the underlying structure of Microsoft's
software.
That is not the case for Elecraft and the K3. I would like to know maybe the
upcoming big moves like maybe an integrated vhf/uhf module
NR in the K3 is a tool that primarily turns the volume down. Well, in
all fairness, it does so selectively, turning down the noise more than
the signal, but it does result in a reduction in signal even though the
S/N ratio gets better. I'm thinking at 100 hz, there is so little noise
for NR to
Don,
Memories: I'm tapping and not holding as far as I can tell, but I'll play
with it some more.
Regarding the contents of the VFOs:
I'm not trying to operate cross band but instead just have one VFO on one
band, and the other on a different band and just switch back and forth
between them as
I am trying to align my 250 hz crystal filter with a 200 hz DSP filter in the
middle of the passband of my 2500 hz SSB filter for the purpose of
transmitting and receiving PSK-31 in the middle of the 2500 hz filter
bandpass.
I have succeeded in moving the crystal filter by changing the bfo
Barry -
That works really well!!
Thanks...
73 de K1ESE
John
Barry N1EU wrote:
John Huffman-3 wrote:
I have a second question. I liked to run my Orion on CW with the AF gain
up, RF gain down, narrow filter and NR on. That way it listening to the
other station was like listening to a
Bill,
I don't have the sub rx, and as suggested, I tried holding SUB to toggle.
It doesn't make any difference regardless of it showing LINK or UNLINK.
Band UP or Band Down - both VFOs go. Enter a freq for VFO A, VFO B follows
to the same band as VFO A - but not the same frequency.
Bob W5OV
Non-military version -- NVIS Hi-Q-3/80 motorized remote TAD
tune-a-dipole on mounting base. With MFJ controller worth more than
$1,050 new. http://www.hiqantennas.com/ Can be used as two mobile units.
2 Giant Quick disconnects (GQD’s)
2 Whip Quick Disconnects (WQD's)
2 4-lobe CapHat's
Tripod
K2: For sale K2 with KAF2; KSB2; K160RX; KNB2; KAT2
Version 2.04P/1.09; KSB2 1.08b.
Options furnished: KAF2; KSB2; K160RX; KNB2; KAT2. Kenwood hand
microphone. Documentation and manual included.
Updated and recalibrated by Gary Surrency AB7MY of Elecraft.
Excellent condition.
$635 plus
Bill,
You might want to try the way I set up the RTTY filters.
Of course, I use Spectrogram, and if you are not familiar with that
computer application, take a look at my website www.w3fpr.com and look
in the K2 Dial Calibration article. Part 3 describes how to use
Spectrogram for setting
Hi K2 builders,
I'm working on K2 #6318, and the voltage at pin 5 of of U2 is maxed out at
3.61v. The 8v regulator is only putting out 7.56v. I see some posts in the
archives recommend replacing the regulator, and a couple that say to leave it
alone, and all will be well. Is there a final
Mark,
The 8 volt regulator is a 10% tolerance part, and as of late, they have
been running on the low side of the nominal voltage. 7.56 volts is well
within the device specs. A replacement regulator from Elecraft may or
may not provide a higher voltage.
The maximum AGC Threshold voltage is
Don,
Thank you for your response. I read all of your posts.
I will do as you say. I can see that a center of 1000 Hz would be what I
need for use of the 2.2 KSB2 filter for transmitting.
By way of explanation I have been using the waterfall display on DM 780 to
set my filters as it seemed to
Bill,
The advantage to using a higher center frequency is that there is less
possibility of a 2nd harminic 'ghost' on the data mode signal - caused
by soundcard distortion or other artifacts. With the K2, a center
frequency with a narrow passband may be limited by the BFO range. That
is
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