[Elecraft] Re:BFO Drift

[WA9GQT@aol.com]

Hello to All K2'ers! 
      Yes, I will admit that the K2 does have quite a bit of VFO drift.  I do 
not have all sorts of  test expensive test equipment to monitor drift 
closely.  
       My K2 #1900 has the 4.91-0195(older crystals). These crytals are 
closely matched compared to others of the 0195 type. When I turn on my K2 
from a cold start, frequency for WWV reads 9999.98 and then after a few hours 
of operating the radio, including transmitting, the VFO reads 10000.03 for 
WWV @ 10 mHz. I have noticed that the 4000.00 oscillator seems not to drift 
quite as much. 
       This does not seem to bother me since stations I have talked to, have 
not noticed the drift. My K2 resides in our basement which stays close to 70 
F most of the year.  I can understand that a wider range in temp would cause 
more drift.  Although, I did not see excessive VFO drift during field day 
operation on a hot day in St. Louis.
       I will await further studies on this VFO drift and would be willing to 
help give any info.  I'm sure that when time permits, that Eric or Wayne will 
soon be updating all of us.  Take care & keep those K2's transmitting.  See 
you all on 18.132 mHz.

73, 

Rod  WA9GQT  K2 #1900  still QRP but plan to be QRO by 01-2003  


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