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[aprssig] Satellite positions: User Statistics

Lynn W. Deffenbaugh (Mr) ldeffenb at homeside.to
Sun Oct 16 13:08:01 UTC 2011


I only quoted the statistics at the moment because I monitor them 
routinely and they really don't vary as much as you might expect.  
Install a copy of APRSIS32, attach it to a full feed (port 10152) and 
you can see the dynamics as well.  The numbers will be parentheticals in 
the View menu drop-down, especially View / Platforms and View / Transport.

Also, your target for the satellite auto-responder may be mobiles, and 
they may be the users that stand the most to benefit, but my target is 
any APRS user that has a passing curiosity and messaging capability.

Lynn (D) - KJ4ERJ - Author of APRSISCE for Windows Mobile and Win32

On 10/16/2011 8:46 AM, Bob Bruninga wrote:
>> I'm not sure where your 40,000 APRS users in
>> the field came from, In the past 2 hours there
>> were 18,342 unique callsign-SSIDs active,
> WHAT???  Completely Meaningless Statistic.  Taken at 7 PM on a saturday?  Surely you understand the use of APRS mobile radios is not very well represented by a 2 hour snapshot at such a time.
>
>> but 4,811 were objects.  6,047 stations indicated
>> that they were messaging capable... of which
>> 1,155 were Kenwood radios (534 D710s, 449 D700s,
>> 89 D72s, and 83 D7s) where some unknowable
>> percentage of the D700/D710 users have speech
>> synthesizers.
> If there were over 1000 APRS mobile radios (also include the Yaesu FTM-350) at 7 PM on a saturday, then that's pretty good.  Most HT's are NEVER in use, until they are...  And then there is actually a HUMAN there, playing APRS radio, and maybe asking for satellites in view.   Your target user.
>
> Also the target user is the mobile enroute to or from work.  He sends out a query to ISS and then his radio will capture all he needs for the next pass.  If it is more than a few minues away, he will then have it there in his MESSAGE list to remember when to comeout and do the pass.
>
> Bob, WB4APR
>
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