I asked Gary at Elecraft if he finds much variation in performance with
the radios he works on and repairs. I recall he said that if the radios
have been built correctly there is no variation between radios. I have
compared my rig to the PROII and I could not detected any difference in
As Don, W3FPR has already pointed out, alignment of the K2 is straightforward
and requires no test equipment. By following the instructions in the manual,
as well as the frequency calibration info provided on Don's website, my dial
calibration is now accurate within about 20 Hz, using WWV as a
Mmm, not really sure about that any more... as stated a few days ago I
have seen the signals transmitted by my K2 (SN 5549) and I'm not really
happy with them (especially on 10-12 and 30m).
Anyhow, in a few days a friend of mine with (semi-) professional will
try to tweak the filters to see
Jurgen ON5MF wrote:
Mmm, not really sure about that any more... as stated a few days ago I
have seen the signals transmitted by my K2 (SN 5549) and I'm not
really happy with them (especially on 10-12 and 30m).
Anyhow, in a few days a friend of mine with (semi-) professional will
try to
Jurgen,
You will probably find that even with better filter alignment, your spurs
will not be reduced.
I would tend to believe that you have an oscillator in the K2 that is not
behaving properly. You should check both the BFO and VCO for signal purity
with the Spectrum Analyzer and work on the
Boy, I don't get this one at all. The whole essence of Elecraft,
IMHO, is doing it yourself and getting something really great for the
effort. That's a conjunction: doing it oneself AND getting a great
product. If all you want is the latter, there are plenty of other
sources. And if
Boy, I don't get this one at all. The whole essence of Elecraft,
IMHO, is doing it yourself and getting something really great for
the effort.
To each his own. Some people don't have the confidence to do the alignment.
Send me your K2 and $100 (I accept PayPal) and I'll align it to
Seems to me that a few might be missing the main point here. While
assembling a K2 there are a few hundred parts to be stuffed into holes.
It is not all that difficult to stuff the wrong part into a pair of
holes. Seems that I remember a firm (Sherwood Engineering I believe was
the name,
@mailman.qth.net
Subject: Re: [Elecraft] K2 Alignment and Verification of Specifications
Mmm, not really sure about that any more... as stated a few days ago I
have seen the signals transmitted by my K2 (SN 5549) and I'm not really
happy with them (especially on 10-12 and 30m).
Anyhow, in a few days
Dave,
Yes, I agree. Several folks have sent me their K2 just for such a checkout
and calibration and alignment. I have the advantage of being familiar with
the K2 and its normal behavior. BUT with a little bit of ingenuity, each
builder can determine if his K2 is performing up to par without
perfect' is applicable here, and
doing the tests oneself is interesting and helps to prevent future build
mistakes.
73,
Geoff
GM4ESD
- Original Message -
From: [EMAIL PROTECTED]
To: elecraft@mailman.qth.net
Sent: Saturday, December 30, 2006 12:56 AM
Subject: [Elecraft] K2 Alignment
Geoff, G3NAQ wrote:
So I have installed a dummy panel in the shack on which a number of
difficult-to-adjust trimmers and coils are mounted, all requiring
different
trimming tools which I usually have to hunt around to find. Thus, when I
hear that weak DX I just can't copy, and get those
Don,
Not sure the price for the tests required would be as steep as you
mention. I think it would be an expense that some would be willing to
pay to be assured that the rig they are using is up to speed. Remember
we are not looking for 1 dB or even 3 dB here, we expect to find
elephants.
Does Elecraft offer an alignment and verification of specifications service?
I'm sure many people would like to have their K2's aligned to factory
specifications and have those performance numbers documented, kind of like
having
an oscilloscope calibrated and verified with a sticker.
It
I second that.
73!
de TA2RX
Mike AC6JAWrote:
Does Elecraft offer an alignment and verification of specifications service?
I'm sure many people would like to have their K2's aligned to factory
specifications and have those performance numbers documented, kind of like
having
an oscilloscope
Mike,
Several 'builders for hire' will offer that service for you if you would
like it done for a fee.
The Facts of The Case are that you can Do It Yourself. Follow the
instructions in the K2 manual for peaking the K2 bandpass filters (in
transmit), and set the IF filters using Spectrogram, and
16 matches
Mail list logo
