[aprssig] APRS Voice Alert

[Robert Bruninga]

>>> dave at emv.co.uk 09/07/05 11:15 AM >>>
>Where do you get your 85% from.

Worldwide there are 27,000 APRS stations
of which 15% are D7 or D700's.  But
many people have more than one station so
there are really only about 11,000 separate
users.  This means 38% of all users have a
D7 or D700.  And this is 57% of all mobiles.

But of all mobiles that can *receive* APRS
while mobile, (thus are capable of two way
communications) this represents 85% of all
such mobiles.

See: http://www.ew.usna.edu/~bruninga/aprs/aprsstats.txt

So the statistic is that 85% of all users that
use APRS two-way in their vehicles are using
a D7 or D700.  Thus "Voice-Alert" which is a
one button setting on  these radios is an
excellent feature to enable better communications
connectivity between these users.

Bob, WB4APR


> -----Original Message-----
> From: aprssig-bounces at lists.tapr.org 
> [mailto:aprssig-bounces at lists.tapr.org] On Behalf Of Robert Bruninga
> Sent: Wednesday, September 07, 2005 3:12 PM
> To: aprssig at lists.tapr.org 
> Subject: RE: [aprssig] APRS Voice Alert
> 
> >>> dave at emv.co.uk 09/07/05 5:17 AM >>>
> >That's my other argument.  Most of APRS operators setups 
> wont support a 
> >Voice Alert in any case, whatever Bob my hope...
> 
> Depends on what "most" means....
> 
> It is a fact that 85% of all APRS mobiles that receive APRS 
> while mobile are using

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