[TenTec] Orion vs. RX-340 TT Rcvrs.

[Carl Moreschi]

I removed the 4 khz roofing filter I previously had added to my rx340.  I
never really found any practical real world benefit from it.

Carl Moreschi N4PY
Franklinton, NC
----- Original Message -----
From: "Jim Reid" <jimr.reid at verizon.net>
To: <tentec at contesting.com>
Sent: Monday, March 22, 2004 4:16 AM
Subject: Re: [TenTec] Orion vs. RX-340 TT Rcvrs.


>
> > I would be interested to know how the 340 compares to
> > the Orion "sub"  receiver. I thought that they were pretty
> > much the same.
>
> Oh my goodness,  NO,  there is no favorable comparison
> at all!  That is why I use the 340 as the Orion subrcvr via
> Carl's software.  The benefit to the 340,  first of all:
>
> 1.  You would use the sub to find the stations to which
> the DX is responding,  correct??  You are probably on
> the mainland,  and might live in a metropolitan area in
> which there are many other folks trying to call to the
> DX around the split frequency area.  The 340 has the
> strong front end parameters to prevent overload to
> your rcvr among those local power signals plus,  the
> 340 filters have very steep skirts;  steeper than the
> Orion sub rcvr,  absolutely.  Carl,  N4PY,  posted characteristics
> of the 340 DSP filters long ago.
>
> 2.  Well,  I give up,  there is just too much benefit to using
> the 340 in place of the Orion sub rcvr to go into detail, but
> the above,  point 1, is certainly the principal benefit.   The
> rest depends upon a lot of real time parameters controlling
> at the time you are operating.
>
> 3.  I suppose it is obvious that the 340 is better than the
> Orion subrcvr for all other "non amateur band" operation,
> especially for AM SWL interests.
>
> Enough; the 340 is in a separate class completely!!  And
> I do not plan to install Carl's 5 kHz roofing filter mod in my
> 340 'cause I don't use it that way.  BTW,  Carl,  at last report
> had found no particular use for his installed narrower roof
> filter.  The 340 front end is just so "strong", that he has yet,
> evidently,  to have found a need for it.........still true,  Carl??
>
> Best and 73 to all,  Jim  KH7M
>
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