[TenTec] Orion 1 and/or 2, Manual Notch Outside AGC Loop?

Carl Moreschi n4py at arrl.net
Tue Feb 26 15:27:14 EST 2008


This is true for the Orion II.  It is also true for the Orion when using V2
firmware.  However, the original V1 firmware does have the notch inside the
AGC loop.  So it definitely can be changed with firmware.

Carl Moreschi N4PY
121 Little Bell Drive
Bell Mountain
Hays, NC 28635
----- Original Message ----- 
From: "Scott" <h2z8.zt18 at att.net>
To: "TenTec Reflector" <tentec at contesting.com>
Sent: Tuesday, February 26, 2008 2:02 PM
Subject: [TenTec] Orion 1 and/or 2, Manual Notch Outside AGC Loop?


> I've never owned a TenTec radio and currently have a 20 year old Icom.
Great
> radio but it is time for a change. A friend suggested that I consider the
> Orion.
>
>
>
> Here is something that I read on another news group with my paraphrasing.
> Any truth to the following?
>
>
>
> The manual notch is outside of the receiver's AGC loop. The result is that
> notching a strong CW signal leaves the desired weak CW signal in the mud
> because the AGC voltage is derived from the stronger signal. Firmware
CANNOT
> fix this problem.
>
>
>
> Scott
>
> K5DD
>
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