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[TenTec] Orion Transmitted Audio Question

To: "Orion @contesting.com" <orion@contesting.com>,tentec@contesting.com
Subject: [TenTec] Orion Transmitted Audio Question
From: Joe Giacobello <k2xx@swva.net>
Reply-to: k2xx@swva.net, tentec@contesting.com
Date: Sun, 02 Jan 2005 00:49:34 -0500
List-post: <mailto:tentec@contesting.com>
I have successfully used the Studio One and Heil HM-10 mike with the Orion. However, I recently got a bad audio report with the HM-10 despite the fact that the signal looked clean on my scope. As a result, I started carefully listening to my audio on a second receiver, and there does seem to be some kind of low level oscillation and other noise with the HM-10. But I also noticed with both mikes that there is some kind of AGC action or compression going on. (BTW, the speech processor is off.)

For instance, when using the Studio One, the audio sounds OK as long as I'm speaking, but if I pause for a short time the background noise slowly increases to a level that is quite noticeable. With the HM-10, the background noise increases until I hear the oscillation and other crud. It's as if I were using processing. I haven't received any bad audio reports with the Studio One, but I wonder if this compression effect is normal or is there something haywire with my setup?

I'd appreciate hearing whether or not others are experiencing this same behavior.

73, Joe
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