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RE: [TenTec] DRM on the RX340

To: <tentec@contesting.com>
Subject: RE: [TenTec] DRM on the RX340
From: "John T. Fleming" <W3GQJ@sbcglobal.net>
Reply-to: tentec@contesting.com
Date: Sat, 17 Jul 2004 20:39:16 -0500
List-post: <mailto:tentec@contesting.com>
I am using my Orion with the DRM software.  I set the Orion to AM to
eliminate any offset compared to SSB or CW and add 2.5 KHz to the desired
tune frequency.  I picked the signal from the digital out cable of the
sub-receiver and routed it to the spare RCA jack on the back of the Orion.
I find that I need to reduce the gain since most of the time, there is too
much signal even with the computer input gain turned all of the way down.

73,
John

-----Original Message-----
From: tentec-bounces@contesting.com [mailto:tentec-bounces@contesting.com]
On Behalf Of Carl Moreschi
Sent: Wednesday, July 14, 2004 8:40 PM
To: tentec@contesting.com
Subject: Re: [TenTec] DRM on the RX340

Yes, I now think the 14 khz IF in the Orion would be fine.  I experimented
with the RX340 and found I could move 3 khz either side and Dream would
still decode.  The Dream decoder displayed a frequency of 15 khz instead of
12 khz when I moved 3 khz down.  So I now think the Orion 14 khz IF for the
sub-receiver would work fine for DRM.

Carl Moreschi N4PY
Franklinton, NC
----- Original Message -----
From: "Mark Erbaugh" <mark@microenh.com>
To: <tentec@contesting.com>
Sent: Thursday, July 15, 2004 12:24 AM
Subject: Re: [TenTec] DRM on the RX340


>
> > You can use an rx320, Pegasus, or Jupiter for DRM by making a small mod
to
> > bring the 12 kHz IF out to the input of your PC sound card.  But the
Orion
> > has a 14 kHz IF and so cannot be used for DRM without some kind of
> > conversion.
>
> I just got the Dream program working with my Pegasus. I was able to
monitor
> R. Kuwait (in Arabic). In about 45 minutes, R. China should be on in
> English.
>
> As for the Orion's 14 kHz, I wonder if it could be used by tuning 2 kHz
off
> the frequency?
>
> 73,
> Mark
>
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