[TenTec] Orion and DRM

[Steve Baron - KB3MM]

----- Original Message ----- 
From: "Mark Erbaugh" <mark at microenh.com>
To: <g.crosta at tin.it>; "Discussion of Ten-Tec Equipment"
<tentec at contesting.com>
Sent: Friday, August 12, 2005 19:21
Subject: Re: [TenTec] Orion and DRM


> I have done (and it works well) using the open source DReaM software
(which
> I couldn't find in binary form the last time I looked on the web).

Understandable/ I think
> there may be licensing issues for the binaries.
>
> As for connection between the Orion and PC, it was very simple. There is a
> cable that routes the 14 kHz IF from the sub-receiver board to the DSP
> board. It uses TMP style conectors, as do all the RF/IF cables in the
Orion.
> There is also a TMP socket on the inside back of the Orion which goes to
the
> SPARE phono jack on the back of the Orion. It's just a few centimeters
from
> the 14 kHz IF socket on the sub-receiver board. I built up a short Y cable
> with a TMP plug on each end and a TMP socket in the middle. I unplugged
the
> 14 kHz IF cable from the sub-receiver board and ran my Y cable from the
> sub-receiver board to the Spare connector. Then I plugged the 14 kHz IF
> cable into the TMP socket on the Y cable.  I ran a cable straight from the
> SPARE phono jack on the back of the Orion to my sound card input. This
> required no soldering on the Orion and is completely reversible. At one
> point last  year, TenTec was talking about making these Y cables and
selling
> them, but I've never heard any more on that.
>
> I understand that the original commercial DRM software (which appears to
be
> no longer be available from DRM.ORG) used a 12 kHz IF so you had to adjust
> the Orion's tuning to compensate for the 14 kHz IF, but the DReaM software
> has no problem finding the DRM signal at 14 kHz. I just tune the
> sub-receiver to the indicated frequency of the transmission.  When
> propagation is good, the signal quality is excellent. I found that with my
> OCF 160m dipole (Carolina Windom 160), signals were sometimes too strong
for
> good reception. If you have a good signal, but have trouble getting it to
> decode, try reducing RF gain.
>
>
> 73,
> Mark
>
>
> ----- Original Message ----- 
> From: <g.crosta at tin.it>
> To: <tentec at contesting.com>
> Sent: Friday, August 12, 2005 8:14 AM
> Subject: [TenTec] Orion and DRM
>
>
> > Hi friends,
> >
> > anyone have tested yet the TT Orion for DRM reception?
> > Any
> > suggestion for the rig to PC connection, sw to be used for and rig
> > setup?
> >
> > Thank for your help.
> >
> > Beppe IZ2ABU
> >
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> >
> >
> >
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