[aprssig] Q: Voice Alert freqs around the world?

[Robert Bruninga]

> I totally agree.. I would like if possible 
> to see a European wide agreement on the 
> CTCSS tone frequency used [for Voice Alert]. 
> I understand it to be 136.5 Hz, but like 
> others have already said, you can 
> find references to different frequencies :(

Im partly to blame, because my early docs said 123 in some
places and 136 in others... Back then no one was using it so it
didn't matter.  I've been afraid to change any of my docs for
fear of changing the wrong one.  But once we nail this down now.
We cn fix the docs once and for all...

Bob, Wb4APR

> 
> Is there anyone responsible on a European level to say "Guys, 
> this is the value" and we just stick to it ?
> 
> I have made some effort in Finland to agree that it's 136.5 
> Hz and Jouni OH2JIU (Finnish APRS manager) has put this 
> information through the local APRS mail distribution lists, 
> but now's the time to act if we are to use a different value 
> before everyone has configured their radios. There's an idea 
> to write a short article in the local Amateur Radio magazine 
> on the Voice Alert concept, and in the mean time we have 
> identified all the Finnish and Irish Kenwood D7/D700/D710 
> users in Finlandand are in the processes of guiding them to 
> follow suit.. eg with pages like this:
> 
> http://www.elisanet.fi/craig/aprsvoicealert.html
> http://www.ei7ig.org/aprs.html
> 
> Naturally it's only confusing if the information on these 
> pages are incorrect, so the sooner we agree on the CTCSS 
> tone, the better :)
> 
> regards, Craig (OH1UK)
> 
> 
> 
> 
> 
> On Thu, Sep 3, 2009 at 12:41 AM, Kai Gunter Brandt 
> <kai.brandt at hjemme.no> wrote:
> 
> 
> 	Reijo Hakala wrote:
> 	>
> 	>
> 	> On Wed, 2 Sep 2009, Kai Gunter Brandt wrote:
> 	>>
> 	>> In Norway we are using 123Hz as this was suggested 
> for Europe. Not sure
> 	>> how many countries have adapted this...
> 	>
> 	>
> 	>
> 	> Err,
> 	>
> 	> Europe: 136,5Hz
> 	>
> 	>
> 	
> 	
> 	yes and 91.5 has been recomended etc.
> 	
> 	http://www.aprsla.net/dwnld/v_alert.txt
> 	
> 	So it really depend on when this was adopted.
> 	
> 	Anyhow i think as long as the same tone are used in 
> country XX it's not
> 	a big problem. But it would probably be great if all 
> European countries
> 	used the same CTCSS.
> 	
> 
> 	Kai Gunter
> 	LA3QMA
> 	
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> 
> 
> 
> 
> -- 
> Craig Mitchell
> http://camitchell.co.uk
> 
> 
>