Bill,
Did you try adjusting the filter skirts to be less steep?
73, Dick WC1M
> -----Original Message-----
> From: Bill Tippett [mailto:btippett@alum.mit.edu]
> Sent: Monday, January 26, 2004 3:58 PM
> To: orion@contesting.com; tentec@contesting.com
> Subject: [TenTec] Orion in CQ 160 CW
>
>
> Excerpted from full contest report at:
> http://dayton.akorn.net/pipermail/3830/2004-January/087156.html
>
> CONTROL:
>
> With 9 different RX directions plus the two TX antennas, I
> need to work out a better control system for next year.
> Orion has some great capability in Diversity mode which I
> need to take better advantage of with better RX antenna control.
>
> EQUIPMENT:
>
> First time using Orion in the CQ 160, although I've been
> using it since August with good success in both CQ WW
> contests on 10 meters. I turned off my
> Beverage
> preamp during the contest and never heard any IMD products,
> with Orion's internal preamp ON and with max RF gain. The
> danger I see with Orion is that the DSP filters are so sharp
> at ~500 Hz that it is easy to miss off-frequency callers, and
> I suspect I missed several this weekend. I think the
> solution is to use Orion in Diversity with a narrow filter on
> the Main RX / preferred direction Beverage, but use the Sub
> RX with a wider BW / different passband and secondary
> Beverage direction or perhaps an omni TX antenna. Also for
> the first time, I tried using Orion's Sub RX to scan the band
> when runs became slow and this worked quite well. This can
> become much better after more practice and after I figure out
> a better control scheme for RX antennas feeding the Sub RX.
> BTW, my Orion had zero crashes or other problems using
> Ten-Tec's latest beta software.
>
> 73, Bill W4ZV
>
>
>
>
>
>
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