thank you MUCH! i have printed your instructions. i will use the filter
arrangement. i can also be sure the radios are on separate antennas which
have no crossover.
73 jack
----- Original Message -----
From: "Richard Detweiler" <rdetweil@hotmail.com>
To: <tentec@contesting.com>
Sent: Saturday, April 29, 2006 7:54 AM
Subject: Re: [TenTec] SO2R
>
> For simple S02R,
>
> Rule 1), Never both radios on the same band.
>
> IF You want to use the Orion's 2nd VFO on the same band, then that
> will
> work, but never two radios on the same band.
>
> Rule 2), Each Radio has it's own antenna.
>
> RULE 3), ALWAYS use the RADIO's band data output to switch antenna
> filters
> and amplifiers, ( I've run into a number of issues where the computer
> said
> one thing but the radio said something else, If I had transmitted that
> way,
> I would have damaged something...)
>
> Use band pass filters like the 419 A or W3NQN to isolate the desired band
> and reject all others. If you have lots of coax and paint cans, you can
> make stubs that also work well. The stub acts like a short or similar to
> anything but the desired band.
>
> Use a 2X6 antenna switch box to split the antennas to two radios, and
> then
> another pair of them may be needed if you use the W3NQN band pass filters.
> Array Solutions and DX engineering I think make these with all the safety
> features. I built my 2X6 boxes because of the costs.
>
> Then you need something switch them, Most people use rotory switches,
> but
> be careful that it locks out if two radios attempt to connect together.
> I
> preferr the Hamation touch screen switch and relay drivers.
>
> So Moral of the story, Use one radio per band with the Orion. Use Band
> Pass filters that are controlled by the Orion.
>
> *** Really Advanced ***
>
> I have played with S02R4V. That is using both VFO's on both radios.
> Getting all the audio right is one thing, then managing the software to
> alternate the VFO's are another. I've found the A/B switch usefull
> there..
>
> On 80 Meters and 160 Meters, I've found it better to use two VFO's on the
> SAME Frequency, but with Different Antennas. Works better than anything
> I've tried....
>
> It can get fun, Start small, and work up.
>
> I'm still a novice by comparison to the big contestors.
>
> Best wishes,
> Rich
> K5SF
>
>
> Best wishes,
> Rich
> K5SF
>
>
>
>
>
>
>
>
>
>
>
>
>>From: "jack" <jfriend31@comcast.net>
>>Reply-To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
>>To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
>>Subject: [TenTec] SO2R
>>Date: Fri, 28 Apr 2006 19:39:34 -0600
>>
>>anyone out there using 2 Orions with one computer and a switch box? what
>>switch box do you recommend and how do you keep the RF from blocking the
>>second radio?
>>thanks
>>jack
>>ak7o
>>
>>
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>
>
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