Larry -
That is interesting I've never experienced it, as my shack has always been air conditioned.
The PTO coil is pretty well sealed, and I wouldn't expect it to be susceptible to humidity. The
only other sources would be the BAND oscillator, crystal controlled with a lacquered
i agree re BFO..any thoughts on how to confirm which one is the culprit? was
thinking a heat source ..ie hair dryer ...or small light bulb,directed
independently at each might reveal some interesting results..
Larry WA0QHF
Sent from my iPhone
On Jan 5, 2012, at 2:59 PM, Garey Barrell
Larry -
First, confirm that the counter is fully warmed up and stable, preferably with a TCXO or other
better quality standard.
The hair dryer or bulb heat source is undesirable for just that reason. We don't want a HEAT
difference, just humidity with continuous temperature.
Then, turn on
-4XC/R-4C. hi.
73s,
Kihwal, K9SUL
- Original Message
From: Garey Barrell k4...@mindspring.com
To: Larry Mccabe lmccabe...@aol.com
Cc: drakelist@zerobeat.net drakelist@zerobeat.net
Sent: Thu, January 5, 2012 1:59:37 PM
Subject: Re: [Drakelist] r4c pto drift obsevation
Larry
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