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Re: [TenTec] Omni VI+ questions

To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Subject: Re: [TenTec] Omni VI+ questions
From: Ken Brown <ken.d.brown@hawaiiantel.net>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Thu, 08 May 2014 17:48:36 -1000
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>

What is considered a "normal" configuration of filters, 5 of them in the
radio?


The filters are "optional", so there is no "normal." The most "typical" selection of filters to put in the 6.3 MHz IF filter slots are ones that correspond to the labels on the buttons. That would be 1.8 kHz, 500 Hz and 250 Hz bandwidths. 2.4 kHz is the standard filter supplied with the Omni VI.

In the case of the 9 MHz "N-1" and "N-2" slots, the choice of filters is very much dependent on the operators favorite modes of operation. An operator who is only interested in SSB might want to fill those two slots with 2.1 kHz and 1.8 kHz bandwidth filters. Someone who is focused on CW operation may want 500 Hz and and 250 Hz BW filters there. Ten-Tec also has (or had) a 500 Hz BW filter with a center frequency appropriate to produce lower audio notes on CW. An RTTY operator might want the 500 Hz filter, with the center frequency needed for higher audio tones.

(The specific center frequencies of the 9 MHz IF filters is only relevant to the Omni VI and other transceivers that have non-frequency agile BFOs. Many rigs these days have a PLL controlled BFO frequency that can be set to get any audio frequency note desired from whatever makes it through the IF filters. That capability makes it unnecessary to have more than one center frequency option for multiple filters of the same bandwidth.)

If you get your filters from suppliers other than Ten-Tec, such as Inrad, there are yet more options to choose from.

DE N6KB
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