[aprssig] APRS Telemetry
Phillip B. Pacier
ad6nh at arrl.net
Wed Sep 6 11:32:59 EDT 2006
Hi Bob. I think this is a great idea, though I'm wondering about
stations such as Digipeaters how changing the symbol is going to help
overall network recognition. What is more important? Knowing that the
station is a functioning digipeater, or knowing by it's symbol that it
is off grid?
W7RBV-2 is a solar-powered digipeater in Southwest Nevada. I have
voltage telemetry coming from it, but I have not yet been able to do
current or temperature telemetry. I might attempt that again in the
near future. Telemetry is currently compiled and shown at
http://www.aprsca.net/w7rbv2.html
If you need any more information for your database, let me know!
73
Phil - AD6NH
Robert Bruninga wrote:
> I'm considering a new Symbol for APRS to represent alternative
> power
> systems, so that owners can monitor their off-grid power
> systems in
> a standard way remotely. Also, then we can make summaries of
> APRS
> users contributions to alternative energy. Here are some of
> the
> ideas I am considering:
>
> 1) Alternative energy symbol (with overlay for Wind, Thermal,
> Water or Sun)
> 2) Standard telemetry formats using the existing KPC-3+ five
> channel packets
> 3) TOCALL version numbers to match the formats so that parsers
> can display
> end units wihtout any other info.
>
> For this purpose, I would like to build a table of all existing
> APRS
> KPC-3+ telemetry 5-channel systems so we can see if some
> standards exist.
> Here are 3 that might be useful for alternative energy systems:
>
> 1) System Volts, Charge Current, Load Current, Panel
> Temperature, Indoor temp
> 2) System Volts, Charge Current, Load Current, Battery
> Current, Temp
> 3) System A volts, System A current, System B volts, System B
> current, Temp
>
> Each of these would have a different APExxx version number, so
> that decoding
> Systems can decode and display them without any other
> knowledge...
>
> Anyone that is running off-grid or with alternative energy
> systems of any
> Kind, I would like to hear from you as well, even if you are not
> using a
> KPC-3+ for telemetry...
>
> Bob, WB4APR
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