[Elecraft] FMT and KX3

Fred Jensen k6dgw at foothill.net
Sat Apr 11 20:36:48 EDT 2015


Not understanding the 50.000.000 and 15 MHz WWV.  I'd like to do this in 
the next FMT.

73,

Fred K6DGW
- Northern California Contest Club
- CU in the 50th Running of the Cal QSO Party 3-4 Oct 2015
- www.cqp.org

On 4/11/2015 5:30 PM, Kenneth Christiansen wrote:
> Hi Mike
>
> I will give you some hints to help you use the K3 and get closer
> results. Let the K3 get well warmed up. Tune in WWV at 15 MHZ in the
> CW mode with narrow 50hz filter. Tune slightly high and tap SPOT. The
> K3 should stop about 1 hz high in frequency. Tune slightly low and
> tap SPOT. The K3 should stop about 1 hz low in frequency. Set the K3
> to the 1 hz step in between the previous two steps. If the K3 does
> not read 50.000.000 than go to the CONFIG menu and REF CAL. Adjust
> the frequency a bit and go back and do the tests. You should be able
> to get the high SPOT to stop at 50.000.001 and the low SPOT to stop
> at 49.999.999. Than the proper point should be set to 50.000.000. The
> unknown frequency should be measured by high tap SPOT and note the
> frequency than low tap SPOT and note the frequency. The unknown
> frequency will be close to the frequency step in between those two
> spots. This should easily get you within 2 hz of the unknown
> frequency. You can use the SPECTRUM LAB program to get even closer.
> The only reason the KX3 can get slightly better is that it only has
> the VFO and no IF frequency while the K3 has both the VFO and IF.
> That means more math takes place in the transceiver but there is also
> error in propagation so the end result is the K3 and the KX3 should
> be close. If you do not use the SPECTRUM LAB program then the above
> procedure should be about as good as you possibly get using your
> equipment.



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