[aprssig] Re: APRS SSn-N Spec.

Andy AB9FX ab9fx at aprs.pl
Thu Nov 29 19:14:00 EST 2007

As one of the first countries in Europe we made a use of SSn-n in Poland in 
the form of SPn-n, it was almost two years ago. I think in Nederland is 
PAn-n in use and some other countries put SSn-n into action, but not many of 
In my opinion, we do not need as many combinations to extend SSn-n to 
SSSSn-n. Even on the same continent the same combination could be used in 
other corner. I don't see any problems, if SPn-n already used in Poland 
would be used also in Spain, because of the distance. We need just to take 
care about neighbor country/regional SSn-n combinations, and avoid identical 

----- Original Message ----- 
From: "Scott Miller" <scott at opentrac.org>
To: "TAPR APRS Mailing List" <aprssig at lists.tapr.org>
Sent: Thursday, November 29, 2007 17:10
Subject: Re: [aprssig] Re: APRS SSn-N Spec.

>> In the German APRS-Forum (http://www.amateurfunk.de/aprs/forum/) we are 
>> currently discussing this issue.
>> To achieve a unique structure for SSn-N, we could use the country codes 
>> defined in ISO 3166-1 and the subdivision codes defined in ISO 3166-2 
>> (http://www.iso.org/iso/country_codes/background_on_iso_3166/iso_3166-2.htm).
> Considering the size of some countries in Europe, is it even worth using 
> the subdivisions?  San Bernardino County is larger than Switzerland, and 
> it doesn't rate its own SSn-N designator.  California is larger than 
> Germany and has (I think) two designators, mostly due to how long the 
> state is in the N/S direction.
> Scott
> N1VG
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