[Elecraft] Rig calibration

[Fr Stephen King]

Wow, Earl!
You either have really long QSO's or really wild swings in temperature!  ;-)
Peace & 73
Stephen
W3SMK
K2 #2644
----- Original Message -----
From: <k6se@juno.com>
To: <rondec@easystreet.com>; <elecraft@mailman.qth.net>
Sent: Friday, September 27, 2002 4:12 PM
Subject: Re: [Elecraft] Rig calibration


> Ron, AC7AC wrote:
>
> "My K2 shows zero error at times and up to 20 or 30 Hz at times, after a
> 15-minute warm-up."
> ==========
> You never have mentioned how your K2's frequency drift is if the ambient
> temperate varies widely like it does in my shack.
>
> My K2 is wild then, but my FT-1000MP with stock ref oscillator (which is
> not temperature-controlled) is extremely stable.
>
> This is my biggest complaint about my K2 (which meets Elecraft's <100 Hz
> drift specs if the ambient temperature is stable).
>
> There's no way I can use the K2 as originally planned this coming winter
> at my desert salt lake portable QTH during the 160-meter contests,
> because the temperature there varies from well below freezing to 60F
> above.
>
> I can live with the VFO frequency drift, but NOT with the problem of
> keeping signals centered in the xtal filter passband on CW when the
> temperature changes.
>
> 73, de Earl, K6SE
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