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)
>> >> >
>> > _______________________________________________
>> > TenTec mailing list
>> > TenTec@contesting.com
>> > http://lists.contesting.com/mailman/listinfo/tentec
>> >
>> >
>>
>> _______________________________________________
>> TenTec mailing list
>> TenTec@contesting.com
>> http://lists.contesting.com/mailman/listinfo/tentec
>>
> _______________________________________________
> TenTec mailing list
> TenTec@contesting.com
> http://lists.contesting.com/mailman/listinfo/tentec
>
>
_______________________________________________
TenTec mailing list
TenTec@contesting.com
http://lists.contesting.com/mailman/listinfo/tentec
|