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Re: [TenTec] New Orion I v2 Firmware version: 2.062a

To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Subject: Re: [TenTec] New Orion I v2 Firmware version: 2.062a
From: "fraz1" <fraz1@bellsouth.net>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Sun, 27 May 2007 13:32:15 -0500
List-post: <mailto:tentec@contesting.com>
Bob......my findings parallel yours.  There is NO question that the v2 
firmwares degrade the rx audio.  I try them all (frequently), and always go 
back to 1.373b5.  It is very stable.  I prefer 1.372, but it locks up too 
frequently.

73 John K4NP
----- Original Message ----- 
From: "Robert Carroll" <w2wg@comcast.net>
To: "'Discussion of Ten-Tec Equipment'" <tentec@contesting.com>
Sent: Sunday, May 27, 2007 11:46 AM
Subject: Re: [TenTec] New Orion I v2 Firmware version: 2.062a


> Merle-
>
> I spent most of yesterday playing with the new release again, wondering
> again if I have overlooked something.  I hear the same things you do.  I
> have run every AGC parameter through its ranges many times, and though on
> occasion a signal will sound very clean, it's not long before the fuzz and
> rasp disappears.  I am pretty sure I can hear aliasing noise at times, 
> also.
> The rasp/fuzz  has a lot of high (audio) freq components and the lower-fi
> the headphone or speaker, the less of it you will hear.  Running up the RX
> eq will help for this reason--but not get it back to what is acceptable to
> me.  After hours of this, I did what I have been doing for a few 
> days--going
> back to 2056.  With that load MY Orion I, which appears to be different 
> from
> about 50% of the population, sounds like an analog receiver.  The cw 
> signals
> and sidetone are perfect--no rasp or buzz.  I do have fond memories of
> 1.375B and 1.373 and find their "sound" to be totally acceptable though to
> me not as clean as 2056 on my particular set.  The V1 releases do have the
> reputation for having more lockups, however.  In their favor I believe 
> there
> is pretty much universal agreement that processed SSB has a lot more punch
> than it does with the V2 releases.
>
> Having interacted with TenTec frequently in the last couple of weeks, I
> believe they do not give credence to any cw imperfection with the recent
> releases.  I will be interacting with them again on Tuesday, so maybe I 
> will
> get more of a sense of the situation.
>
> 73
> Bob W2WG
>
> -----Original Message-----
> From: tentec-bounces@contesting.com [mailto:tentec-bounces@contesting.com]
> On Behalf Of Merle Bone
> Sent: Sunday, May 27, 2007 12:25 PM
> To: tentec@contesting.com
> Subject: Re: [TenTec] New Orion I v2 Firmware version: 2.062a
>
> Buck (K4IA) said:
> " Very tinny, very low fidelity with a tendency to add a  click at the 
> end.
> That is what 2.062a sidetone sounds
> like to me. "
>
> "On my radio, the raspy CW is particularly bad with Fast AGC and  narrow
> bandwidths (<1khz).  It is starting to sound like the DSP in an  ICOM
> 756Prox."
> ----------------------------------------------------------------------------
> ----------------------------------------------------------------------------
> -
> I am hearing similar "distortion" on both weaker CW signals and on the CW
> sidetone note. Although the sidetone note is much better then it was in 
> the
> previous release, it still has a very annoying noise at the end of each
> element - particularly identifiable when you slow down the code to 3 or 4
> words per minute. At higher speeds is just sounds like a "repetitive 
> noise."
> In my case the sound gets worse as the audio gain is increased - I can 
> raise
> the signal audio with an external audio amp without raising the level of 
> the
> noise. If I raise the audio level of the Orion the noise signal comes way
> up. I worked with Ten-Tec but they could not duplicate the problem. They
> offered that I could send the Orion in to be worked on, but I just went 
> back
> to V1.373b5 - which has no such sound on the keying sidetone.
>
> The CW distortion is worse on weak signals - maybe correlated with maximum
> gain in the DSP/IF chain. Again I really don't hear that
> distortion/fuzziness on V1.373b5. I sure would like to get on to the new 
> V2
> firmware - and a lot of progress seems to have been made - but this audio
> distortion is really distracting when you work something like the WPX for
> several hours.  I'm back at V1.373b5 and hoping Ten-Tec will keep working 
> on
> the V2 code.
> 73, Merle - W0EWM
>
>
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