[TenTec] how does the orion sweep like the JUP ?

John brazos at rochester.rr.com
Thu Nov 27 22:27:20 EST 2003


Hi all , can someone tell me does the Orion sweep like the Jup ( ie. takes a
snap shot of the activity )  or is it capable of a continuous sweep during
operation?
----- Original Message -----
From: "Grant Youngman" <nq5t at comcast.net>
To: <tentec at contesting.com>
Sent: Thursday, November 27, 2003 3:26 PM
Subject: Re: [TenTec] Bavarian Contest Club / Orion Review


> >  So far I am wondering about background noise level without
> antenna
>
> My opine on that subject is that it is NOT indicative in any way of
> receiver noise.  Rather, it's an artifact of the AGC loop in DSP and
> the behavior of the system trying to find "something" in "nothing"
> when AGC threshold is set to a low value and there is zip in the way
> of input signal.
>
> I don't know about you, but I generally don't run my Orion without an
> antenna.  It isn't quite THAT good :-)
>
> >reported quiting in the middle of the contest
> > requiring reboot.
>
> Loss of transmit requiring a reboot seems to have been related to
> some DSP timing issues when SWEEP was on.   There has been a
> "known issue" posted at rfsquared since the first day indicating a
> sweep-related issue.  The latest firmware release indicates some
> timing changes related to SWEEP, and hopefully that has taken
> care of or at the leat minimized the liklyhood of the problem.  Time
> will tell ....
>
> Grant/NQ5T
>
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