[aprssig] PSAT Satgates (and outlandish EV idea?)

Robert Bruninga bruninga at usna.edu
Tue Jun 30 22:32:51 CDT 2015

A satgate has to be hooked to the internet most of the time to be of any

I wrote up the idea once that a car, each time it is parked at home, could
be plugged into an umbilical that powers the radio and has a serial port
into the home station and internet for APRS uses, but I doubt anyone,
including me, would go to the trouble of plugging it in every night and
setting the right radio channel.

Of course, those with electric cars are used to plugging in a connector to
their car every night, so if we could get the APRS umbilibical somehow
included in the Charging plug, we’d have it!  There is one usually-not-used
pin in the typical charging plug, plus ground.  So if we could do it all on
one wire and ground, we’d have something to work with. <wink>

But I am getting off track.

But that track is an idea….  When everyone owns an electic car, and plugs
it in whenever it is parked, what use could we make of an extra pin across
the interface to connect our car with our shack?


*From:* Frank J Rossi Jr [mailto:n3flr1 at gmail.com]
*Sent:* Tuesday, June 30, 2015 11:22 PM
*To:* Robert Bruninga; TAPR APRS Mailing List
*Subject:* RE: [aprssig] PSAT Satgates in Eastern USA?


    What is the current best setup for Sat Gate mobile with D700 and D710 ?

I know there is some outdated info out on the web.

N3FLR - Frank

Sent via the Samsung Galaxy S® 5 ACTIVE™, an AT&T 4G LTE smartphone

-------- Original message --------
From: Robert Bruninga via aprssig <aprssig at tapr.org>
Date: 06/30/2015 8:16 PM (GMT-05:00)
To: amsat-bb at amsat.org
Cc: aprssig at tapr.org
Subject: [aprssig] PSAT Satgates in Eastern USA?

We need more Tracking Satgates in the eastern USA:

During the last pass Solidly over Eastern USA and dozens of packets and
many users, only two packets made it to the APRS-IS.  So there seems to be
a paucity of Oscar class SatGates at the moment..  Of course tracking and
gain antennas are not needed for SatGates for the ISS, but are essential
for PSAT.

So if anyone in the USA has rotors and wants to exercise them and put a
little wear and tear on them for the next week or so, please feel free to
come on line.

We are trying to get PSAT properly set up for its attitude control and for
it to know where it is, and we need more data for a while.

We are getting solid data horizon to horizon over Europe, but very little
over the USA.

I completely understand the usual need not to keep rotors running for
routine.  That is why we want to develop the Omni Satgates.  But until we
get enough of them on line, we welcome more conventional tracking SatGates
for a while.


Bob, Wb4APR
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