Hi, all,
The Ten Tec PTOs are temperature compensated, but some are better than
others. On my Corsair, the temperature compensation capacitor is C9 on
the schematic, labeled "selected in production". C9 is on the foil side
of the PTO board, so you can get to it without removing the PTO. If you
have some negative temperature coefficient caps, typically N750, you can
try different combinations to improve the warmup characteristics. The
other option is to keep the radio on all the time.
73,
Bob WB2VUF
On 5/30/2024 7:58 AM, AA2PM, Paul Mondok wrote:
Good evening, Andrew
Drift during the first half hour of operation is normal. There is also a
750 Hz transmitter off set in CW mode. Is this the TX/RX alignment you are
referring to?
Assuming that the unit you purchased is in good condition, I think you will
enjoy using it once you become accustomed to some of its "personality".
73,
AA2PM, Paul
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-----Original Message-----
From: TenTec [mailto:tentec-bounces+aa2pm=earthlink.net@contesting.com] On
Behalf Of Andrew Alleyne
Sent: Wednesday, May 29, 2024 2:16 PM
To:tentec@contesting.com
Subject: [TenTec] Omni.D 546
Greetings,
I recently became the owner of a Omni.D 546.
It drifts; the RX and TX are not aligned.
Any suggestions for repair?
Andrew
8P5AJ
73
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