As you need to do the extend temp procedure at +/- 50 MHz that's no
option, Matt.
@Ed:
The K3 will work fine as source for the ext. temp. procedure. Just turn
it down to lowest power or use the transverter out port.
73, Olli - DH8BQA
Contest, DX & radio projects: http://www.dh8bqa.de
Am 11.04.2014 23:58, schrieb Matt VK2RQ:
You are probably better off zero-beating to WWV. You should easily be able to
get within 500mHz or less.
73,
Matt VK2RQ
On 12 Apr 2014, at 6:39 am, Edward R Cole <[email protected]> wrote:
It was suggested I do the Temp Compensation Procedure. Unfortunately I do not have a
stable 50-MHz signal source. However I did run the Reference Frequency Calibration using
my XG3. Call this "Part Two":
I sampled the RF output of the XG3 with my counter and also input that to the
KX3 for the Calib. This required running at 0 dBm to inject strong enough
signal for the counter (approx -3 dBm). I turned on the ATT for the KX3 to
keep input from overdriving. Got about S9 signal level.
I got it adjusted to within about 2-Hz. The XG3 drifts approx +/- 2 Hz so
difficult to set the Ref*Frequency using it. But that eliminated most of the
38 Hz offset I saw last night. Running the Tx at 5w afterward drift was in the
range of 0 to +7 Hz for a 50-second key down run. The drift is not steady in
one direction so average error is probably in the neighborhood of +5 Hz with
5-Hz uncertainty in the measurement. Crude but gives a ballpark idea what to
expect.
Today's measurements were all with new heat sink installed. Temp Comp.
probably would lower these numbers a bit.
I might try running my K3 as signal source for Temp Comp. if it holds more
stable then the XG3 at 50-MHz. I am using the EXREF so it may be better?
73, Ed - KL7UW
http://www.kl7uw.com
"Kits made by KL7UW"
Dubus Mag business:
[email protected]
______________________________________________________________
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:[email protected]
This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to [email protected]
______________________________________________________________
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:[email protected]
This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to [email protected]
______________________________________________________________
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:[email protected]
This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to [email protected]
