Agreed. I've have the external ref module which actually measures the
TCXO frequency and on my K3 the drift is pretty close to over after 60
minutes. I've tracked it all the way to four hours. It is useful to keep
an eye on the front panel temp (DISP - FP). The TXCO is located in close
order with the front panel and that influences the drift. Mine usually
tops out at 37 to 39C.
Regards,
Mike VP8NO
On 25/05/2019 17:24, Bob McGraw K4TAX wrote:
Glad you found the information of assistance. I suggest a bit longer
warm up than 30 minutes, but for starters, 30 minutes is OK. I usually
go for 1 hr to 2 hrs in a temperature stable environment.
But.......that's just me.
73
Bob, K4TAX
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