I have searched the manual etc. and cant find a way of setting the band edges.
By which I mean the frequencies outside of which the transmitter will not
function. Here in Europe (as elsewhere I believe) different countries have
different band edges - this is particularly so for the 5MHz band.
my PC running
Logger32 and in all cases it changes from RX to TX to RX as expected.
Feel free to let me know if I've misunderstood your query. Quite happy
to conduct further tests.
Regards,
Mike VP8NO
On 24/02/2018 18:52, ANDY NEHAN via Elecraft wrote:
> I use HRD to control my rig on data mode
I use HRD to control my rig on data modes and it does a good
job and works as expected. However, if the K3 display is set to show the
REF*CAL situation then after transmitting the rig stays in transmit mode, as
shown by the
red TX button being lit. I have not noticed this when the K3 display
I have a P3 with latest revision of firmware and an SVGA
card and a station monitor and a USB keyboard plugged in as well.
The frequency readout on the P3 and external monitor is
correct under all common operating situation when I have a “span” of, say
100KHz. However, when I use the command
I have searched the archive and I cant find what my memory tells me I saw! I
recall someone with a close neighbour operator having photos on the impact of
the other operator and themselves before and after the synthesizer upgrade. I
would very much like to have copies of those photos for a talk
After LOTS of experimentation I think I have found that just recently I have
some RF feedback into the usb keyboard on the rear of the P3. This manifests
itself particularly badly with the Genovation keyboard but is also present with
a standard usb keyboard. Oddly enough it is MUCH worse when
When I took out the KPAIO3 ready to install the 470mfd 16vw cap, as required
for the above mod, I noted that my pcb looked different to that shown in the
installation instructions. The track that as shown on figure 6 page 5 of the
instructions that is routed away from the left most of the 4
I agree that an AGC which can be set by mode would be useful, but I suspect
that the chaps have multiple requests for enhancements!
Andy G4HUE
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Help:
I have the latest version of the P3 utility as downloaded from the Elecraft
website viz 1.16.3.15. I note that it enables the creation of only 16 macros
(the P3 can store 50 macros), and furthermore those macros don't seem to be
saved to the P3 itself (but clearly it is a useful way to test
Thanks guys for the detailed and thorough replies - I understand it now!!
Andy G4HUE
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Help: http://mailman.qth.net/mmfaq.htm
Post:
Sometime ago I installed the K3EXREF which I feed from an external 10MHz double
oven Xtal oscillator. I am confident the K3EXREF is installed and configured
correctly as when in use and the external oscillator is connected the front
panel says REF*CAL with the * blinking. Attempting to change
Sometime ago I installed the K3EXREF which I feed from an external 10MHz double
oven Xtal oscillator. I am confident the K3EXREF is installed and configured
correctly as when in use and the external oscillator is connected the front
panel says REF*CAL with the * blinking. Attempting to change
I find the P3 monitor a useful addition to my station and I believe that it
would be even more useful if the horizontal timebase could be extended. It has
a current maximum of 100mS which is fine for all but slow transmission modes
where a more extended time - perhaps 200mS or longer would be
Hi guys, I have just received the P3 TX Mon (easy to install and get working).
I also have an LP-100A which is in series right next to the monitoring head of
the P3 monitor. The KPA500 and the KAT500 both indicate an SWR of between 1
and 1.2 and the LP100A indicates an SWR of 1.05 into my
The Noctua quiet fans are readily available in the UK (Scan computers and
others) so I bought a pair. Are there quieter fans for the KPA500 as its more
than a bit noisy on RTTY at 100watts or so.
Andy G4HUE K3 6990 KPA 2102 etc.
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It does not compute to order the kit as the postage is too high and the
capacitors appear to be relatively easily available. So my question is what
physical size is the 220mfd solid polymer cap used to bypass the zener in the
BPF mods (enabling reception down to 500KHz). It would appear to be a
Thanks that's most appreciated.
Andy
Original message
From : mzil...@roadrunner.com
Date : 13/07/2015 - 15:19 (GMTDT)
To : andy.ne...@btinternet.com
Cc : elecraft@mailman.qth.net
Subject : Re: [Elecraft] Size of 220mfd cap for BPF
Hi Andy,
The datasheet for the poly cap is shown here:
A couple of months ago I saw someone recommend one of these (available through
Amazon). I have installed mine this am and it works a treat, it reduces the
number of USB ports required on the PC and gives fixed serial port numbers. So
thanks very much for the recommendation - much appreciated.
I have noticed that the Span Step function (which I like) is not sticky - in
that every time I recycle my radio the feature, if set, is lost. That means I
have to go into the menu and reset it. Surely it would be better if the feature
was sticky like the other features??
What do you think PaulS
Many moons ago I worked at a bank (software dept) and we had been running a
daily check reading program reading the magnetic line from a check and sorting
accordingly. Well this program read 600,000 checks a day - every working day of
the year (that's about 250) then after it had been running
Well today I had another play, 10MHz source(locked to Droitwich) and counter
left on for a couple of hours so I was happy they were stable. Tuned into my
10MHz signal and measured a tone on my frequency meter of 595Hz on a cold K3 -
now over the next 30 minutes it drifted down to 583Hz. So over
So I reloaded the P3 beta and went thru some tests as follows to try to
reproduce the external screen freeze:
took the svga option and then selected and tried each entry in sequence with no
problems. Did NOT try the ubmp, urst, usav as I had no usb device attached.
RX data window size OK
TX
I noticed this question somewhere and I decided to conduct a small experiment.
Now I have K3 serial 6990 with the KTCXO3-1 TCXO
I have a 10MHz signal source locked to Droitwich in the UK and stable to about
1Hz in 100MHz. So I set up the K3 to hear the 10MHz signal
Thanks for the heads up (awful expression) on the P3 update. Must say it
sounds good - I will keep my eyes peeled for announcements.
Andy
G4HUE
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Help:
As is its a real useful item I would NOT be without BUT it could be better and
the external sensor and the corresponding ability to monitor ones signals would
be a great asset.
I follow the N8LP site and I note beta copies of the LP500 are soon to be
shipped - must say it looks very tasty
Well today my recently completed kit of KPA500 (5 hours build time) is alive
and well and joins its friends the K3 and KAT500 and P3. All alive and well.
Andy G4HUE
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Home:
I am having some problems with my understanding of the KAT500.
I have a K3 and an ACOM1000 linear. On 40m when I operate data modes or AM
(purely for testing purposes) all is well the units work well together. I can
happily run up to 400 watts and as is well. My 40m OCFD has an SWR of about
Thanks guys - its nice to know I'm not mad! Yes I do have version 1.67 which
looks to be the latest version of the firmware. But I will use the Manual mode
in future rather than Auto. Is there any news on having this inconsistency
fixed??
Andy
Just got the Sub RX and I must say it looks tasty. However, I am puzzled by the
display on the P3 (another tasty toy I would not be without). I have read the
KE7X tour de force on the Elecraft kit and the P3 manual and the other Elecraft
manuals and unless I am going soggy in the brain
My recent previous rig was the FT897 so by comparison the K3 has trully
wonderful ergonomics. I accept that having multifunction controls is not ideal
but that has to be weighed against a front panel twice as big. I am happy with
the choices made by Elecraft - as they say one cannot
Hi, I have noted that when I use the above utility it does what I want apart
from the 50MHz band. I set it to the required frequency and mode (50.250 and
Data) yet when I upload that info to the K3 the mode becomes Data Rev. This
does NOT happen on any other band (and I use the memories to get
From: Dick Dievendorff die...@comcast.net
To: 'ANDY NEHAN' andy.ne...@btinternet.com
Sent: Wednesday, 5 June 2013, 14:13
Subject: RE: [Elecraft] K3 Frequency Memory Editor
What K3 Frequency Memory Editor version are you using? And you're using it
with a K3, not a KX3, right?
This is in the Help
Hi guys, there is a keyboard connector and another USB connector on the rear of
the P3 when fitted with the VGA card. I have read through the documentation on
the Elecraft website, the KE7X book and the 2011 QST review but I can see no
mention of their capabilities.
So exactly what can one do
Happy Xmas guys and a healthy and prosperous New Year to all.
I am
a recent convert to the K3 with model 6990.
I am primarily a data mode operator (PSK31 etc. etc.) and my
K3 has the 2.8KHz and 250Hz 8 pole filters fitted and let me say its doing a
very fine job too. I use HRD version 5 which
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