You probably got them years ago from my same source. HSC
Electronics had them pretty cheap in a cardbord bin. They
are long gone now... sold out.
Also keep in mind you could run the Ovenair unit un-powered as
an insulator... an expensive one but the thermal insulating
properties might be very
I have a few Ovenair ovens, physically identical to the hamtronics
unit. They seem to be 60 deg C (140 deg F) ovens, but not verified,
other than with my finger.
Just as an experiment, I stuffed the other transmit rock on a
closeby frequency (from ICM) in the rig, put the oven down over it,
and
The first fix might be to put a non conductive insulator
over the crystal (xtal). A foam pad or rubber sheeting is
sometimes used by various mfgrs. Just floating a crystal
to relative exposed cabinet/box air is not so great if
the air temp changes more than a small amount.
Second item which m
Depends on the vintage ...
Neil
Original Message
From: [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com
Subject: RE: [Repeater-Builder] Re: midland 13-509 tx freq
stability... cap change?
Date: Tue, 23 May 2006 19:53:24 -
>[EMAIL PROTECTED] wrote:
>>
>
[EMAIL PROTECTED] wrote:
>
> Or use a Motorola crystal oven @ 85 degrees C ...
>
> Neil - WA6KLA
Neil, Don't you mean "Rock Stove"? It is the same thing!
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Yeah, makes sense. I was just thinking along the possible lines of
the cap causing the drift... at least I could eliminate that issue,
if it was an issue..
df
--- In Repeater-Builder@yahoogroups.com, "Eric Lemmon" <[EMAIL PROTECTED]>
wrote:
>
> Dave,
>
> Keep in mind that the Midland 13-509
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