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[TenTec] Problem with Hercules II

To: TenTec@contesting.com
Subject: [TenTec] Problem with Hercules II
From: Wolfgang Peringer <dk7cy@bingo-ev.de>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Tue, 7 Mar 2023 18:50:58 +0100
List-post: <mailto:tentec@contesting.com>
Hello:

I have a problem with my hercules II. When switching from transmit to receive there is a loss of sensitivity. The problem is intermittent. Keying the amp a couple of times the sensitivity returns. Problem exists with keying via VOX relay and also with QSK mode.  Switching the amplifier off brings the sensitivity back at once. I think there is a problem with a contminated contact in one of the relays in receive. The Kilovac K41C vacuum relay in the output was o.k. After instaling a new relay the problem still exists. Maybe one of the relays on the Input splitter board (81430). Probably K3.

Any ideas?

73

Wolfgang

dk7cy

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