David G4DMP said
Is there
any likelihood that this could be extended down to cover the new band?
Failing that how about an Elecraft designed, fully filtered, fully integrated,
high stability,
VLF up converter covering 5KHz to 500KHz.
This would cater for the Natural Radio listeners, Alpha
G3USF's Worldwide List Of 50MHz Beacons last updated 23 June 2011
http://www.keele.ac.uk/depts/por/50.htm
K9MU NA 6m Beacon Map
http://www.k9mu.com/map/
73
Trevor G0KTN
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Any comment from the P3 developers on this request please.
Trevor G0KTN
Original Message dated 29 December 2010
The following is a re-post of a request back in August which may have got
missed in the noise.
Did it make its way to the to do list ?
22 August 2010
Would it
The following is a re-post of a request back in August which may have got
missed in the noise.
Did it make its way to the to do list ?
22 August 2010
Would it be possible to include an option under Span to display the actual
frequency of
the upper and lower offsets rather than -30 +30 or
Any news on the External Reference Option ?
73
Trevor G0KTN
Original Message from Wayne N6KR dated 14 June 2010
There appears to be more demand for this than we thought, so we're
looking into it again.
Note that our planned external reference implementation would not
Would it be possible to include an option under Span to display the actual
frequency of
the upper and lower offsets rather than -30 +30 or whatever has been set.
So, if you had a CF of 7.038.6 the P3 screen would show 7.008.6 - 7.038.6 -
7.068.6
73
Trevor G0KTN
I see from the manual that the P3 uses a specific command set to communicate
with the K3,
so presumably there will be no conflict with a Microham Digikeyer for instance
that currently
occupies the K3 RS232 port and would now be connected to the P3 pass through
port.
Trevor G0KTN
The recent announcement about development of an external reference option for
the K3 is most
welcome and will allow users to obtain the best calibration possible especially
for digi modes like
WSPR where 1Hz accuracy is required.
For anyone not quite sure about what it is, how to use it, or
There appears to be more demand for this than we thought, so we're
looking into it again.
This is excellent news and I'm sure will be much appreciated, especially with
the number of
surplus Thunderbolt GPS and Rubidium 10MHz standards available at the moment.
I have no idea of the amount of
Is the KREF3
(a) likely to be released in 2010
(b) under active development
(c) on the schedule for development
(d) on the back burner
(e) still thinking about it
73 to all
Trevor G0KTN
Original Message
Just wondering if anyone from Elecraft might comment as to when the
Just wondering if anyone from Elecraft might comment as to when the KREF3
external
reference input card may become available.
Trevor G0KTN
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Help:
I assume the item shown on the order page is for the pre built unit - will you
be offering a kit
version ?
73
Trevor G0KTN
Original Message
http://www.elecraft.com/order_form_p3.htm
Please use the link above to order instead of via the phone. If everyone
calls today our
Lyle,
How about a few photo's or better still a youtube video showing the P3 in
action. I suspect
everyone here can visualise what you just described, but you know what they say
about a
picture (or youtube video) painting a 1000 words etc.
Trevor G0KTN
G4ILO said
you need at least two extra controls, preferably three, one to vary the
phasing of the two signals and the others to adjust the amplitude of the two
inputs so that the noise levels cancel exactly.
Sounds like a description of the DX Engineering NCC-1
For digimodes like WSPR I use a Microham Digikeyer and set the K3 Line Out
level to 10, which
is the maximum recommended before the possibility of distortion is introduced.
At this level I have
to set the Digikeyer RX input control to max to obtain proper decoding etc and
being at maximum
as high
as 70 without distortion as long as the AGC is set to
reasonably limit audio levels.
73,
... Joe, W4TV
-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Trevor Smithers
Sent: Thursday, October 01, 2009 6
We're putting together the web page info
Any chance of a page with preliminary thoughts on the panadapter ?
73
Trevor G0KTN
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Help:
As far as I'm aware there are two companies that produce this technology for
the amateur
market, BHI in the UK and Michels-Engineering in Germany. The german unit is
designed
specifically for the extraction of the speech waveform when surrounded by
noise. BHI is similar
but works with cw as
Here are a couple of quotes from this list archive dated December 2008:
wondered if a dedicated Elecraft K3 panadaptor is still on the development
schedule.
Yes, definitely, unequivocally. (To use the vernacular: youbetcha :) I can't
give you any
timetable, and I can't reveal any details
Stephen G4SJP said:
I don't
remember the firmware version where this started but it was certainly not
always the case
The problem first appeared last September with production release 2.38/1.90.
The previous
production release, which I believe was 2.02, was stable.
73 to all
Trevor G0KTN
From the K3 faq
Elecraft plans to offer a matching bandscope accessory after the K3 is out
I'm aware of L-Pan, SDR-IQ, Softrock, Perseus, Mercury, QS1R etc but wondered
if a
dedicated Elecraft K3 panadaptor is still on the development schedule or has
this been dropped
in favour of the 3rd
Softrock and Rocky, pay attention to the cables between the Softrock and
the sound card input, especially watching the balance.
I didn't listen to the UK Elecraft net this morning so I'm not aware of the
context, however when I
started building Softrock's I encountered the familiar centre
G4MKP said:
Finally, I ordered the KRX + filters on 10 Sep 08. When can I expect it?
Well, I ordered mine on 8 April 2008 and was told in July that it would be
several months.
I queried again in September and there was still approx 2 months to go, so
hopefully
mine will arrive before
Yes, I'd be interested in the recommended Data mode settings as well please.
I'm seeing the same symptoms as outlined by Julian, G4ILO and first reported it
to
Elecraft Support on 15 September, just after 2.38/1.90 was released. There was
no
problem with the production release prior to that -
The NCDSF/IARU beacons have been doing just that for years on 20 through 10
meters with transmission from up to 18 countries on a single time-shared
frequency in each band.
Absolutely agree - wonderful resource and one that I have been using for many
years.
WSPR however extends the propagation
Perhaps setting up a WSPR beacon might be of interest.
Have a look at http://wsprnet.org/drupal/
Headline:
The Weak Signal Propagation Reporter Network is a group of amateur radio
operators
using K1JT's MEPT_JT digital mode to probe radio frequency propagation
conditions
using very low power
Other almost Elecraft topics included power measurement and especially
the LP-100 power meters that several of us use.
That sounds interesting - care to elaborate.
73 to all
Trevor G0KTN
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You
All of this is consistent with the K3 Manual which says:
| LIN OUT settings above 10 are usually not necessary,
| and can in some cases cause overloading of either the
| K3s output transformers or the PC soundcard inputs
| (typically on noise peaks). Either could degrade the
|
I have a GSV3000 as well and can confirm the lack of rfi. In my opinion switch
mode
supplies have no place anywhere near the ham shack - its bad enough the
neighbours
having them all over the place but they don't know or care - we should know
better.
As an aside if anyone has any doubts
Back in April there was a discussion about how to adjust the Line In control
for correct
ALC indication when using Data A mode for psk (or in my case K1JT's WSPR), and
the
recommendation was set it so you get 4 bars of ALC, with possibly the 5th bar
occasionally flickering.
Having just
Thanks for the clarification Bob.
I was aware of Lyle's comments about setting ALC to 4 bars but got confused by
the
contrary information in the operating tips and the Nifty manual.
Anyway, it appears I had the rig set right in the first place so I shall leave
well alone.
73 to all
Trevor
I've just completed part 1 of the 3080 build and re-done the alignment. All
appears well,
40/20 rx working as expected.
However I've noticed that the rf gain control (R1) appears to now have very
limited range
in fact it hardly seems to make any difference at all - is this because the
rest of
the leads too
much and end up with a badly tinned lead.
73,
Don W3FPR
Trevor Smithers wrote:
I've just completed part 1 of the 3080 build and re-done the alignment. All
appears well,
40/20 rx working as expected.
However I've noticed that the rf gain control (R1) appears to now have very
Is this what the preamp is meant to address
Have a look at the K3 Test from Bavaria pdf half way down page 11 - note from
Wayne.
http://www.bavarian-contest-club.de/projects/K3_english.pdf
73 to all
Trevor G0KTN
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Anyone have any new information on the 6m pre-amp for the K3. I'm aware that it
was being tested back
in January - just wondering when its likely to become available.
Hopefully it will be in kit form.
73 to all
Trevor G0KTN
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It goes without saying that Elecraft have produced an excellent piece of
technology in the K3 but even in
the kit form it doesn't quite have the I built it feeling like the other
Elecraft products. Having said that I'm
sure there is no way that the average builder could attempt something quite
'quote of the day'
How about 5/6 line spaces between the end of your reply and the start of the
quote. That way the quote
doesn't get mixed up with the message and can be ignored.
Personally I find the addition annoying but others obviously like them.
73 to all
Trevor G0KTN
help isolate the
plug connections from cord-flexing?
There is a new mic plug from Heil that might be of interest - definitely more
up market than the usual
range of plugs.
http://www.heilsound.com/amateur/products/stealth-connector/index.htm
73 to all
Trevor G0KTN
is this just broadband hash
in my urban neighbourhood from er, broadband and wall warts etc?
Yes, also known as frying bacon/eggs, atmospheric qrn, call it what you will.
The cure is a separate receiving antenna. For a fairly convincing demonstration
of the Wellbrook 1530
loop in action on
David said:
I just imagine that there is
somewhere a reference that will help identify those bits of the display
which contribute most to clarity and make it easy and more
Is this of any use as an analytical tool
http://www.dxatlas.com/VShaper/
Trevor G0KTN
What are the benefits of using Data-A mode for psk31 as opposed to standard USB.
The manual p29, mentions that DATA mode offers several benefits not available
in SSB modes however
other than automatically setting CMP to 0, I can't see much else happening.
Does Data-A route the signal
Vic,
it was ordered 4th of May
Before some of us here (me included) head for the nearest cliff can you confirm
that your K3 order date
was actually the 4 May 2007.
Also, when did you receive your order confirmation email from Elecraft with
the request for payment
etc.
On the face of it, it
USInterface.com Navigator arriving soon. One USB cable to plug
into the PC, the Navigator provides high-quality soundcard, COM ports, FSK,
K1EL and nice knobs on the front.
If you or anyone else is after a good solution then this is worth
considering.
Very similar to the latest Microkeyer by
Jacques,
The Hakko distributor in the UK/EU is Dancap Electronics - info on the 808 here,
http://www.dancap.co.uk/desoldering/808CE.htm
Trevor G0KTN
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Thanks for the reply Don, much appreciated.
Just to clarify, I built up the amp last year but never got around to
installing it. So
around December 06 I obtained the upgrade kit and installed that as well and
that's
how things stand at the moment.
However your reply and mention of the new
I have just installed a recently constructed KPA100 (including the latest
upgrades)
and appear to have run into the erratic power control problem.
Using Tune + Display and an external LP100 meter, if I request 5w I get 5w out.
Increasing power to 11w so as to engage the pa I also get 11w out -
Have just been doing the resistance checks on a KAT100. Everything appears ok
except
for U2 pins 3, 12 13 where I get no reading whatsoever.
I'm assuming that static has probably killed either U2, U3 or U4 or perhaps all
three - or is
there something else I should be looking at first.
Any
I've recently been talking to Mike, WA1EYP at Callsign software about including
support for the
XV-50 transverter in the K2 Ham Station Extreme control software
www.callsignsoftware.com
His reply is copied (with permission) below and basically says that he would be
quite happy to
include
First of all, thanks to all those that offered advice - much appreciated.
Well, after much deliberation (reading this mail archive Eham reviews etc) I
decided
to put away the solder wick and purchase a Hakko 808. I tried it out on some
discarded pcb's ( where I had previously used solder
Well, after carefully reading the manual and noting that relay K3 should not be
installed
until after T2, I lost concentration and installed it by mistake. Is this a
show stopper,
requiring removal of the relay, or more to do with having enough room to solder
T2 to
the long pads etc?
Trevor
Bill,
There was an article in QST July 2004 called Remote DC Power through your
coax by
Phil Salas, AD5X that may be of use.
I'm sure someone here who has the annual QST cd, will oblige in due course, if
you're
interested.
73
Trevor G0KTN
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Phil,
Go here http://www.g4fon.co.uk/ and have a look at the Koch CW Trainer.
Trevor G0KTN
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