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Re: [TenTec] Thoughts about Omni V filters

To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Subject: Re: [TenTec] Thoughts about Omni V filters
From: ron <roncasa@verizon.net>
Reply-to: roncasa@verizon.net, Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Thu, 17 Nov 2005 10:50:51 -0500
List-post: <mailto:tentec@contesting.com>
keith!
When you get replies on those questions, can you please let me know too?
I am sure others will want to know too.
Ron wb1hga
BTW: you have the same disease I have - its called Ten Tecdiction.
An addiction to TT products! (heh heh)

Darwin, Keith wrote:
 > I am about to receive a new-used Omni V and am wondering about filters.
A couple of questions:
1. 9 MHz vs 6.3 MHz filters: IIRC, the first IF is 9 MHz so the 9 MHz
filter will perform more like a roofing filter than the 6.3 MHz filter
will.  So I assume the 9 MHz filter will produce greater benefit to
dynamic range than the 6.3 will.  True?  If I had only one narrow filter
is it better to have it in the 9 or 6.3 MHz position?
2. Which filters are the ones to pick for CW use? I assume 500 Hz at 9
MHz and both 500 and 250 Hz in the 6.3 MHz position.  How about 1.8 KHz
at 9 MHz and 500 & 250 at 6.3?
4. TenTec's 250 Hz filters are 6 pole. Inrad's are 8 I believe. Why
did TenTec not use 8 poles?  I assume to reduce ringing & overall
attenuation.
5. Are the TenTec filters OK or should I really go Inrad? I recall
with my prior TenTecs (Omni D & Corsair II) having more leakage around
the filter than I wanted.  I assume an Inrad filter would have less but
that's an assumption.
I'm finding there is a real problem with TenTec rigs. I can't stop at
just one.  I have an Omni V on the way and I'm *still* wanting a Corsair
II, Century 22 and of course the new Argonaut V and Orion II.  *Sigh*
- Keith -
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