Wayne just answered this in an earlier thread, here is is response again;
"Richard,
This is an issue on a small number of units. We know the cause and have a
simple fix. Please call support on Monday.
73,
Wayne
N6KR
On Sun, Jun 10, 2018, 9:51 PM Steve wrote:
> While operating in the ARRL June
I’m told this is a known problem. I’ve seen it on 10 meters.
73,
Scott K9MA
--
Scott Ellington. K9MA
--- via iPhone
> On Jun 10, 2018, at 8:50 PM, Steve wrote:
>
> While operating in the ARRL June VHF test on 6m SSB, I noticed that the main
> LCD display lost half of its display
While operating in the ARRL June VHF test on 6m SSB, I noticed that the main
LCD display lost half of its display After a few minutes of on and off
transmission. Nothing would bring back the full screen. It would reappear after
turning the amp off and then back on. It would then loose half
Don, thank for the excellent guidance. I'll begin the debug process.
By the way, I have eliminated spurious contact between the encoder board
and control board, as I debugged that some weeks ago:
https://www.mail-archive.com/elecraft@mailman.qth.net/msg219585.html.
There is now room between the
Richard,
This is an issue on a small number of units. We know the cause and have a
simple fix. Please call support on Monday.
73,
Wayne
N6KR
http://www.elecraft.com
> On Jun 10, 2018, at 2:44 PM, Richard Zalewski wrote:
>
> First attempt to put amp on 6m. No problem with antennas
Updated to include cover used with SideKX panels and lower asking price.
For sale KX3-F (SN 5520) in very good to excellent condition with the
following: KXFL3-F, KXAT3-F, KXBC3-F, KX3-2M-AT, KXPD3, MH3, XG50 (assembled),
KXUSB cable, KX3-PCKT accessory cable set, PAE-Kx31 heatsink, SideKX
Good Evening,
QSB was the order of the day. I gave reports of S0 to S7 or S0 to
S5. There were some atmospheric quirks too. Odd sounding whistles and
some buzzing. I was told of lots of lightning east of the Mississippi
but I heard none of it. I was expecting more storm noise on 40
Mark,
Analyzing the switch matrix is an iterative process
The first thing to do is to determine which wrong responses are being
sent, and for that you must refer to the schematic. In your case of the
REV button and the STP 60 display, the hold of the REV button is
bringing up the PF1
Thanks, Don.
Would you mind outlining the approach for analyzing the front panel switch
matrix?
> On Jun 10, 2018, at 3:55 PM, Don Wilhelm wrote:
>
> Mark,
>
> OK on that. Since you have the new encoder board, it could be touching the
> pins on the back of the Control Board which can
Mark,
OK on that. Since you have the new encoder board, it could be touching
the pins on the back of the Control Board which can cause all kinds of
"strange happenings".
First step is to flush cut (diagonal cutters will not do the job) the
pins on the encoder board (cut right down into the
If you do take the icom, at 3.5A receive current drain you'd better take two
extra batteries, too.
Al W6LX
>> Take the K3 , leave the IC-7610 at home. It’s to darn heavy to lug around.
>> (19 lbs )
>>NS2N
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Don, the soldering on RP1 is very clean, top (viewed from the side of the
board with a light and magnifying glass) and bottom. RP1 is aligned
correctly, and I've verified that it is the correct part for this location.
Worth mentioning is that the rubber spacer that installs onto the
bottom-side
The K3S has exceptionally low TX phase noise and high RMDR. Both are due to the
new synth. The rest of the signal chain is also very clean.
You have to get this right on both RX and TX to optimize for close-proximity,
multi-transmitter operation (e.g. Field Day, DXpeditions, and big contest
I had it about a week ago on 15M and reported it to Elecraft. It hasn't
recurred.
73, Jim N7US
-Original Message-
First attempt to put amp on 6m. No problem with antennas our output but
display disappears after about a minute of calling cq on cw. At first only
half the screen
Dimitry Borzenko wrote
> Why in the 20 century we need to use foot switch?
Because I switch other things besides my amp. For example:
Beverages disconnected from RX input during TX.
Parasitic TX array elements (active during RX, to ground during RX).
Detuning stub on TX antenna (during RX).
Mark,
That indicates you are not getting the right button response.
Check the Front Panel Board. My immediate guess is that you have a
soldering problem on RP1, or that RP1 is inserted backwards. That is one
of the R-Paks that MUST be inserted in the proper orientation. Look at
the board
First attempt to put amp on 6m. No problem with antennas our output but
display disappears after about a minute of calling cq on cw. At first only
half the screen disappears with "50MHZ and PWR" only showing. Then screen
goes completely blank. I have ferrite on everything between the power
Don, thanks.
When I exit CAL FIL, and press and hold CW RV, I see "ST P 0.60" displayed
(with the B RIT and XIT annunciators on) whether in CW, USB or LSB mode.
On Sun, Jun 10, 2018 at 2:21 PM, Don Wilhelm wrote:
> Mark,
>
> Get out of the CAL FIL menu and see if it does toggle the bar when in
Mark,
Get out of the CAL FIL menu and see if it does toggle the bar when in CW
mode. In SSB mode, it should toggle between LSB and USB.
If it works in SSB mode, but not in CW, you may have a display fault
that is not showing the bar - that is a different problem.
73,
Don W3FPR
On 6/10/2018
Haven’t seen any posts recently about Delivery based on date ordered. Trying to
see how close to my order date in April.
Thanks for any updates.
73,
Art KZ5D
Sent from AOL Mobile Mail
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>I think the LO phase noise should be pretty close.
Perhaps it *should* be... but some of the worst examples of wideband
transmitted noise are caused by additional amplitude noise in the TX
chain, or by poorly filtered DAC noise in SDR-based transceivers
[1]. These noise sources are additional to
Thanks all for bringing me "up to speed'.
73!
K0PP
On Sun, Jun 10, 2018, 14:40 Lynn W. Taylor, WB6UUT <
kx...@coldrockshotbrooms.com> wrote:
> Ken,
>
> You clearly are not a Repeater Coordinator in Southern California.
>
> Co-channel interference is pretty common.
>
> Most repeaters do encode
Thanks, Don. In CAL FIL mode, holding CW RV does not toggle a bar over the
"c". All my calibrations and tests have gone swimmingly til now. Any
suggestions on where to start to troubleshoot this? Is there another way
to verify if the toggle is being honored (could the over-bar LCD element be
Ken,
You clearly are not a Repeater Coordinator in Southern California.
Co-channel interference is pretty common.
Most repeaters do encode PL on the output side, and a decoder in your
radio is extremely helpful.
73 -- Lynn
On 6/10/2018 12:41 PM, Ken G Kopp wrote:
Bryan,
It's -highly-
On 6/10/2018 12:41 PM, Ken G Kopp wrote:
It's -highly- unlikely either repeater involved transmits a CTCSS tone,
which would be needed to accomplish what you want ... -very- few do.
That depends a lot on where you live. Around Chicago and around NorCal,
two places where I've spent a lot of
I couldn't find any data on transmit phase noise on the Sherwood web
site either, and I searched all over for it.
Dave AB7E
On 6/10/2018 11:17 AM, Jim Brown wrote:
On 6/9/2018 12:54 PM, K9MA wrote:
On 6/9/2018 14:52, David Gilbert wrote:
I think another major concern for closely
Mark,
The CW reverse is indicated by a bar over the "c" to the right of the
display. Holding the REV button should toggle it.
Likewise, that same button will toggle between USB and LSB.
73,
Don W3FPR
On 6/10/2018 3:37 PM, Mark Petrovic wrote:
I am performing the first alignment and test of
I got two replies, one off-list, that they can replicate this effect.
Study of the manual did not answer the question ... or provide a fix ...
but I'm acutely aware that words that someone writes and that are
crystal clear to them may [and often are] not nearly that clear to me. [:-)
If
Bryan,
It's -highly- unlikely either repeater involved transmits a CTCSS tone,
which would be needed to accomplish what you want ... -very- few do.
Do you know if either one does? A repeater directory should tell you.
What's the call of the one you refer to? I can look it up for you if you
I am performing the first alignment and test of the RF board of my K2 S/N
7809. On page 66 of the manual, I'm instructed to read page 91 of the
operating instructions to get familiar with the CAL FIL settings. Page 91
says to work through the CAL FIL examples on page 93, wherein we work
through
I think the LO phase noise should be pretty close.
--
Scott Ellington. K9MA
--- via iPhone
> On Jun 10, 2018, at 1:17 PM, Jim Brown wrote:
>
>> On 6/9/2018 12:54 PM, K9MA wrote:
>>> On 6/9/2018 14:52, David Gilbert wrote:
>>> I think another major concern for closely positioned
On 6/9/2018 2:21 PM, K9MA wrote:
While I'm primarily a CW operator, I'd be very reluctant to use the
amplifier on SSB.
CW is 100% Amplitude Modulation of a carrier by a rectangular wave, so
the transitions are rich in harmonics that are heard as clicks, and they
WILL excite IM in a
On 6/9/2018 12:54 PM, K9MA wrote:
On 6/9/2018 14:52, David Gilbert wrote:
I think another major concern for closely positioned rigs would be
transmitted phase noise, and of course that doesn't show up in the
Sherwood charts.
Yes, it does!
All I've ever seen from Rob is RX phase noise.
Bob, this is Scott AK6Q from GEMSProducts.com. I apologize for missing your
cover for the Side KX products. This is the first I had heard of your
missing cover please contact me for getting this squared away please. 73
-
K3 #348 KX3 #2499
--
Sent from:
Thanks guys. I had assumed checking availability meant going on line to see
if a newer version was available. My K3 now has version 5.62.
Vy 73 de Bob DJ0RD/WU5T
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