I tried this again with exactly the same setup and now it works. I still
don't know what the original problem was as all the hardware is identical.
Andy VK4KY
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Elecraft mailing
Hi,
I have a W2 that has not been used in some time. I tried it today and all
functions seem to work ok except I cannot set the SWR alarm trip point.
According to the manual sending a "]" increases the trip point and a "["
lowers it. If I send "]" I get back "]00;". Same response if I send "[".
Hi Tim,
I have been setting up my new shack at our remote property. We recently had
a fixed wireless internet connection installed at the house but it was too
far for the wifi signal to reach the shack (~200ft).
I purchased a TP-Link 2-Port Gigabit AV2000 Passthrough Powerline Starter
Kit. So
After no response from the group I sent my question to support and received
the following reply:
"There are no compatibility issue with the K3 controlling the K3S (or K3S
controlling the K3). The K3 will react as if it was the K3S."
Once again, great customer support.
Andy VK4KY
--
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Hello,
Are there any compatibility issues using a K3 to control a K3S with
Remoterig? Specifically, there are extra preamps and attenuator settings
available in the K3S that aren't available in the K3. How would these be
handled with a K3 as the "local" device?
Regards,
Andy VK4KY
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Hi Jack,
I have had this exact problem. Turned out to be the connector between the
front panel and main pcb. Treatment with Deoxit has cured it.
BTW - I also had some other weird, seemingly unrelated, problems that would
occur randomly. The Deoxit treatment cured all of those as well.
Andy
Hi Chris,
I have had a few weird intermittent problems over the years, including
something similar to your description. After a few false starts, I
eventually separated the front panel from the main pcb and gave the
connectors some treatment with Deoxit. Since then, none of the previous
gremlins
Hi Roger,
I had something similar with my P3. After cleaning the internal metal to
metal contact points on the case, my problem disappeared. Good bonding (and
tight screws) on all enclosure panels is essential.
I also had another problem with wandering spikes on the display. It turns
out my BNC
Hi Brian,
Make sure all of connectors between the front panel and the main pcb are
mated / seated correctly. I had some unusual intermittent problems,
including no RF out, due to bad connections here. In my case, removing the
front panel and giving the connectors treatment with deoxit solved all
Hi Brian,
Try running VCO MD CAL again. I have had problems with this in the past.
Andy VK4KY
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Hi Arliss,
I recently had a similar problem with my K3. I contact Elecraft and received
this response from Gary:
-
See if it will produce 12w on 160-10m, and at least 8w on 6m, in Tune, with
the KPA3 menu set to Bypass. The VFO should be near the
With all the current efforts on the K3 AGC, how much extra work would it be
to have an option to save the settings per band? I am sure many operators
would appreciate this feature.
Andy VK4KY
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Hi Todd,
I experienced the same problem in the field a few months ago. It turned out
to be a connection problem between the 10w PA and the main pcb. Removing and
re-seating the 10w PA module fixed the problem.
Andy
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Hi Dick,
Thanks for the confirmation - that is what I hoped the answer would be.
Thanks also to all others that have responded, both on and off list.
Andy VK4KY
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Will the matching range of the KAT500 be the same as the KAT3? If not, is it
better or worse?
Andy VK4KY
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Hi Scott,
Thanks for the reply. I did read the information on that page before
posting. Unfortunately the information there does not answer my question.
Andy VK4KY
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Hi Bob,
The KAT3 tuner has one of the widest matching ranges I have ever seen from
an autotuner. Only maybe twice has it not matched what I have connected to
it.
I suppose I want to know if the KAT500 is a beefed up version of the KAT3,
using the same value components and firmware algorithms.
I used the Yamaha CM500 from my colleage VO1AU which was very good. I
cannot get a CM500 in VR2, could any of you advise where I can get a CM500
in USA?
--
Hi Johnny,
I purchased some from here some time back. No problems with credit card or
shipping to
Hi Craig,
This was discussed previously and Eric agreed it was a good feature. Maybe
he can confirm if it is on the list
http://elecraft.365791.n2.nabble.com/K3-P3-thought-td3468007.html#a3475295
Andy VK4KY
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Hi Bob,
I use the 83-1SP's also and they are a silver plated shell. I believe the
information on the Mouser product page is incorrect. The true Amphenol
Product Details are here:
http://www.amphenolrf.com/record.asp?N=0sid=4E94D88014383CFFR=083-1SP
Andy VK4KY
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Firstly, I do not want to get involved in a debate on what is (and isn't)
legal - let's leave it at the technical level.
You can (or at least, used to be able to) ask Elecraft for the K3 MARS TX
unlock software. Here is the information received from Elecraft:
Hi Mike,
I have posted some of this information to the reflector before, however I
will copy it again here. Basically, there is enough adjustment to make the
tx sound any way you prefer. However, it worked great for me straight out
of the box.
Here is an email I received about it after working
Hi Stewart,
I have just noticed this with mine as well. Did you ever get to the bottom
of the problem?
Andy VK4KY
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Hi Randy,
I submitted a feature request via the reflector for this in June:
http://tinyurl.com/2d8h9sh
Andy VK4KY
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Regarding the KPA500 internal power supply - is it actively regulated, or
just rectified and filtered DC?
Andy VK4KY
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Hi Bob,
Thanks for the quick reply.
How do you think this unit would perform if powered from a smallish petrol
generator, when the input voltage/frequency would vary quite a bit as the
generator load varied with cw or ssb operation? The unregulated 60v supply
for the PA devices is obviously my
The only advantage of a switcher is weight.
I wouldn't say the *only* advantage. What about universal, wide input
voltage/frequency range? I have some Meanwell 1500w DC supplies here that
are 47-63Hz, 90-264VAC input. The switcher would also be regulated. A
regulated supply to the PA will result
I have recently entered into the world of CW and participated in my first
contest using both SSB and CW modes. I noticed that you cannot stop the CW
memory playback by activating the PTT (either from a microphone attached to
the front panel or a footswitch plugged in the rear). It could only be
I have now completed all of the modifications to upgrade the DSP board to the
latest spec and can say that the improvement is worthwhile. For me, the
receive audio, especially on ssb, is a lot less fatiguing.
For those wishing to attempt this yourself, here is some more info:
- Resistors and
I have now posted the images to the following. Thanks to The Smiths for his
input and photo of the DSP board.
http://s840.photobucket.com/albums/zz330/VK4KY/Elecraft%20DSP%20Mods/
Andy VK4KY
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Oops! I left out C44 and C45. The following chart has been amended.
---
Drawing K3 DSP IF: CODECS
COMPONENT ORIGINAL VALUE NEW VALUE
R17 1K
I have recently ordered a K3DF DSP Low Pass Filter to add to the DSP board in
my K3. After reading through the relevant documentation, it appears my DSP
board is Revision B and therefore does not have the low frequency audio
mods for TX/RX either.
It seems that I could not find anywhere that
Hi Jim,
I have used my K3 on AM quite a bit recently and can share a few ideas and
experiences with you.
First of all, the information you have received so far about the indicated
power level on the K3 is correct - the K3 power display shows PEP reading.
So, 100w on the display is equivalent to
It would be nice to be able to independently select mic gain for front or
rear panel input. Currently, changing one also changes the other. It would
be nice to be able to set, say, rear panel input to low gain (rP.L) and
front panel input to high gain (FP.H) independently. I find the
Thanks Dick. I didn't think of that possibility.
Andy VK4KY
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Hi Tom,
Why don't you use the TS850 to listen to yourself transmitting on the K3
off-air? This way you are hearing a true reproduction of how you sound
with no monitor circuit delay. Of course, this is only useful to initially
set up your TX audio - not for use whilst operating. Once you set
Thanks for the reply Tom - your information is appreciated. I have been to
your website a few times but I hadn't visited the AM page before. Lots of
good information there. I had to read it a few times to take it all in.
I have done some more research and it appears the K3 TX has a quite
Hi Joe,
Yes, you are correct and I understand what you are saying.
However, reduced carrier power from the K3 TX is not an issue if driving an
external amplifier to, say, 100 watts carrier. In this case, output from the
K3 may be only 10 watts carrier (40w peak), leaving plenty of overhead to
Gee, that is a nice toy Mark.
I wonder how many K3's you could buy for the price of one of those
units
Andy VK4KY
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I have recently been experimenting with AM on the low bands using the K3. The
addition of Sync AM RX makes such a difference!
I have noticed on AM TX, use of compression, at any level, causes some
distortion of the waveform at the zero crossing (when viewed on an
oscilloscope) - not really an
I have to agree strongly with Jim - for me, the K3 does not need any form of
external processing or extras. I receive an unusually high number of
unsolicited comments about the quality of my audio. In fact, here is the
latest email I have received about it after working a few NA contacts on the
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