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Re: [TenTec] Orion 1 & 2 "Talk Power" problem

To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Subject: Re: [TenTec] Orion 1 & 2 "Talk Power" problem
From: "Ron Castro" <ronc@sonic.net>
Reply-to: Ron Castro <ronc@sonic.net>,Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Sat, 23 Dec 2006 09:31:39 -0800
List-post: <mailto:tentec@contesting.com>
Then what we need to do is get rid of DXCC and contests.  Reduce allowed 
power to 5 Watts. That should do the trick...

      Ron Castro
Chief Technical Officer
  Results Radio, LLC
          N6IE
 www.N6IE.com
(Formerly N6AHA)

----- Original Message ----- 
From: "Barry Gross" <barry.n1eu@gmail.com>
To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Sent: Saturday, December 23, 2006 9:11 AM
Subject: Re: [TenTec] Orion 1 & 2 "Talk Power" problem


>I think we're wasting bandwidth and creating QRM.
>
> 73,
> Barry N1EU
>
>
> On 12/23/06, Ron Castro <ronc@sonic.net> wrote:
>> By maintaining a higher average-to-peak ratio.  In broadcasting, we call 
>> it
>> "masking", and it has been used by AM broadcasters for years to cover up
>> audio from co-channel stations that interfere with them in the fringe
>> coverage areas.  The first company to popularize that was CBS Labs with
>> their famous Audimax and Volumax processors of the 1960's, which were
>> advertised as being able to bring entire new communities into a station's
>> coverage area, and it really did!
>>
>> FM stations use heavy processing to cover up noise, especially with a 
>> stereo
>> signal since the SN 'hit' a stereo signal has to take when decoding the 
>> L-R
>> 38 kHz DSB subcarrier is on the order of 17 dB.  That type processing 
>> became
>> popular when engineers found out they could increase average modulation 
>> with
>> a set of back-to-back diodes across the composite output of the stereo
>> generator.  A better, more sophisticated method gained popularity with 
>> the
>> Modulation Sciences CP-803 Composite Clipper.  Today, Telos-Omnia has 
>> taken
>> the technology to the max with their Omnia 6ex processor.  It has around 
>> 100
>> adjustable parameters that can be controlled locally or via an Internet
>> connection, so I can sit in my car with a laptop and adjust the box in a
>> normal listener environment.
>>
>> Another poster said "I always work the cleanest clearest signal 
>> first...".
>> If he can't hear the signal, he won't work it.
>>
>> There seems to be a notion that intelligibility decreases when processing
>> increases, and there is some truth to that when it's done poorly.  But 
>> done
>> right, you can create a "wall of sound" that busts through pile-ups. 
>> With
>> SSB, more RF equals a bigger wall!  That's why the Orion "talk power"
>> problem is a real issue.
>>
>>       Ron N6IE
>>  www.N6IE.com
>> (Formerly N6AHA)
>>
>> ----- Original Message -----
>> From: "Barry Gross" <barry.n1eu@gmail.com>
>> To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
>> Sent: Saturday, December 23, 2006 4:46 AM
>> Subject: Re: [TenTec] Orion 1 & 2 "Talk Power" problem
>>
>>
>> > Please indulge me - I want to understand the point.  How does one
>> > create the QRM that keeps weaker stations from being heard, other than
>> > having a strong signal (max ERP at optimal arrival angle, properly
>> > compressed/equalized audio)?
>> >
>> > 73,
>> > Barry N1EU
>> >
>> > On 12/23/06, Ron Castro <ronc@sonic.net> wrote:
>> >> Simple...in keeps weaker stations from being heard under you.
>> >
>> >>
>> >> > On 12/22/06, Ron Castro <ronc@sonic.net> wrote:
>> >> >> That may be true, but creating the QRM needed to get out in front 
>> >> >> is
>> >> >> fair
>> >> >> play, even though on the surface, it may not sound that way.
>> >> >
>> >> > How does "creating QRM" help one "get out in front"?  (seriously, I
>> >> > don't get this and I've played in my share of pileups)
>> >> >
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>> >
>> >
>>
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