[Elecraft] P3 drift

Gary Smith Gary at ka1j.com
Sat Dec 9 15:45:56 EST 2017


Hi Vic,

I do have the .5 TXCO but also have the 
ref board attached and a GPSDO which 
updates constantly and the software I use, 
NMEATime 2 updates the computer time every 
minute to 6 digits out.

That said, the K3 is always dead on but as 
to the P3, I never have noticed the P3 
doing anything but keep right in line with 
the K3s frequency. I never see any 
drifting when it is cold & just starting 
up.

Might it be your radio drifting for a few 
minutes till it warms that you're seeing? 

73,

Gary
KA1J

> My K3 seems quite stable (at least for CW purposes) although I don´t
> have a TCXO. But there is considerable drift in my P3 for the first 15
> minutes or so after turn-on. This is noticeable when the span is
> narrow (5 kHz). I wonder if anyone has thought about the possibility
> of stabilizing it?
> 
> Vic 4X6GP 
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