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[TenTec] Roof filters (N4PY and KC9CDT)

To: tentec@contesting.com
Subject: [TenTec] Roof filters (N4PY and KC9CDT)
From: Bill Tippett <btippett@alum.mit.edu>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Wed, 15 Mar 2006 12:16:30 -0500
List-post: <mailto:tentec@contesting.com>
KC9CDT:
 > Also, Have you noticed that at the same freq (I tested 20mtrs
 > USB)....on the SUB RX (V2) you have to use a -400 or so to
 > get the sound the same as on Main Rx with a setting of 0 or
 > so (these are aprox numbers). The PBT does appear on the
 > screen to work the same in Main and SUB but IT DOES NOT.

NQ5T:
 >I'm convinced there's a bug in the code for the Sub RX somewhere. When you
narrow the passband on the SUB, it (1) narrows from both ends or (2) narrows
and shifts away from the low end at the same time or (3) something else that
results in the same thing :-)

         I don't see anything like this on my O1
with 2.056.  Everything looks (using Spectrogram)
and sounds identical and PBT works correctly on both.
I know Grant is using an O2 but not sure about Lee.
Perhaps this is a problem in O2 and not O1.

         I just loaded 2.056 after having not used
V2 for several months (during the prime contesting
and 160 DX-ing season).  So far it looks good to me
on CW.  Have not fully checked SSB but don't see
much except MIC needing to be set much lower than
with V1 (10 vs 60 for a Heil HC-4).

                                 73,  Bill  W4ZV

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