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Re: [TenTec] Many nr features not working on AM

To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Subject: Re: [TenTec] Many nr features not working on AM
From: "Ron Castro" <ronc@sonic.net>
Reply-to: Ron Castro <ronc@sonic.net>,Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Thu, 4 Jan 2007 10:34:42 -0800
List-post: <mailto:tentec@contesting.com>
The whole v.2 AM receive detection algorithm needs to be looked at.  On the 
O2, it sounds very distorted to me.  Nowhere near as good as my TS-870 or 
KWM-380.

      Ron N6IE
 www.N6IE.com
(Formerly N6AHA)

----- Original Message ----- 
From: "Grant Youngman" <nq5t@tx.rr.com>
To: "'Discussion of Ten-Tec Equipment'" <tentec@contesting.com>
Sent: Thursday, January 04, 2007 10:30 AM
Subject: Re: [TenTec] Many nr features not working on AM


>> Since I upgraded to the latest firmware version none of the
>> nr, nb, an, features work in the AM mode. All work on ssb.
>> They all worked in the previous version.  Now on 2.059D.  Any
>> suggestions?  Could there be a newer version that would fix that?
>
> I don't run v2 firmware in my Orion, so I can't confirm that.  2.059d is 
> the
> latest version.
>
> Frankly, if you put 1.373b5 (or any of the 1.37x releases) in your Orion 
> I,
> you'll have an outstanding AM radio, where everything works like its
> supposed to, you can tailor the tansmit audio response using the SSB menu,
> etc.
>
> One of the real benefits of the v1 DSP on AM receive is use of the 
> autonotch
> (AN) to completely eliminate the AGC response to the carrier.  It's a BIG
> help copying stations that have relatively low modulation percentage (big
> carrier, low audio) since it takes the carrier out of the equation and 
> bases
> AGC response on the audio sidebands only.  T-T killed this in the new v2 
> DSP
> code, and it's the primary reason I've left my Orion on v1 firmware.
>
> RX EQ doesn't work on AM either, so it appears something got seriously
> messed up in the latest v2/II releases.  Send a LOUD note to ditsnbits!
>
> Grant/NQ5T
>
>
>
>
>
>
>>       Jim & Ella Miller
>> WB5OXQ & KA5EPM
>>      Abby & Sparky
>> Dalmatian Furbabies
>>         Waco, TX
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