[aprssig] APRS Voice Alert

[agara]

Hi,
No, normally I haven't this problem. Only one time driving near Barcelona I had a squelch mistake, but no more times.
Likewise, with Echolink in Spain most links use 100 Hz tone squelch without problems, then I think there isn't problems to use 100 Hz with Voice Alert in Europe.

Asier, EB2FGI.

---------- Original Message ----------------------------------
From: "Robert Bruninga" <bruninga at usna.edu>
Date: Sat, 10 Sep 2005 16:29:00 -0400

>Asier,
>
>Using 100 HZ tone in europe, do you hear many
>squelch mistakes due to 50 Hz hum on some systems?
>
>Bob
>
>>>> agara at kantauri.com 09/10/05 3:28 PM >>>
>Hi,
>I'm Asier, EB2FGI from Spain.
>Usually, when I'm in mobile I use Voice Alert  (I think I'm the unique 
>ham in Europe using Alert Voice because never I contacted  an other ham 
>with this system, but I continue trying ...) and I use 100.0 tone.
>
>Asier, EB2FGI
> 
>Robert Bruninga wrote:
>
>>One problem with Voice Alert in Europe is
>>that I'm not sure what tone they use.
>>
>>We use 100 Hz here in the USA, but since
>>many of the AC Power Grid in Europe is
>>at 50 Hz, this make PL 100 practically useless
>>in Europe.  I have seen references to maybe
>>136.5 Hz, but then I have also made the mistake
>>of writing 123 Hz sometimes.  And of course,
>>unless everyone uses the same tone on the
>>same continent, then it really doesn't work 
>>for its intended purpose.
>>
>>So, if anyone on this list uses APRS Voice
>>Alert in Europe, tell us what tone they use.
>>thanks
>>
>>
>>Bob
>>
>>
>>
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>>
>>.
>>
>>  
>>
>
>
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