[amsat-bb] Band designators, Modes

[Arthur Feller]

We’ll just have to set a better example.  Probably will take a generation to shed old habits.  :-)

73…..


> On 5-Jul-2016, at 04:19 PM, Graham Shirville <g.shirville at btinternet.com> wrote:
> 
> Agreed but we will have to change the behaviour of the professionals who still use the terminology in general.
> 
> That action may take a generation or two I guess!
> 
> 73
> 
> Graham
> 
> -----Original Message----- From: Edson W. R. Pereira
> Sent: Tuesday, July 05, 2016 7:24 PM
> To: amsat-bb at amsat.org
> Subject: Re: [amsat-bb] Band designators, Modes
> 
> I agree with Art and Ray. We should just use the frequency or frequency
> range when referring to a radio band. I have found myself at times having
> to check which of the several standards (isn't it nice to have so many?) an
> author used when referring to radio bands. It is much easier and clearer to
> just refer a band by the frequency.
> 
> 73, Edson PY2SDR
> 
> ---
> - We humans have the capability to do amazing things if we work together.
> - Nós seres humanos temos a capacidade de fazer coisas incríveis se
> trabalharmos juntos.
> 
> On Tue, Jul 5, 2016 at 1:30 PM, RSoifer1--- via AMSAT-BB <amsat-bb at amsat.org
>> wrote:
> 
>> We have been using the term "Mode K" to describe 21 MHz uplink/29 MHz
>> downlink because that is what AMSAT called it when it first came into use
>> in
>> 1987.  Similarly, the terms "Mode A" and "Mode B" came into use in 1974
>> because that is what the engineers who designed AMSAT-OSCAR 7 called
>> them.   AO-7
>> actually has four modes: Mode C is a low-power version of Mode B, and Mode
>> D is "transponder off." Then came Fuji-OSCAR 12 with Modes  JA (analogue)
>> and JD (digital), where "J" stood for "Japan."  FCC even  included the
>> definitions of Modes A and B in the written tests of that  era.
>> 
>> This "ancient history" has probably served its purpose.  Art is right:
>> we'd do better to stick with the numbers.
>> 
>> 73 Ray W2RS
>> 
>> 
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> _______________________________________________
> Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum available
> to all interested persons worldwide without requiring membership. Opinions expressed
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> Not an AMSAT-NA member? Join now to support the amateur satellite program!
> Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb 
> _______________________________________________
> Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum available
> to all interested persons worldwide without requiring membership. Opinions expressed
> are solely those of the author, and do not reflect the official views of AMSAT-NA.
> Not an AMSAT-NA member? Join now to support the amateur satellite program!
> Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb

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     -Leo Rosten, author (1908-1997) 


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