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[aprssig] Re: aprssig APRS Telemetry

Warren Brown vk3byd at amsat.org
Thu Sep 7 08:27:44 UTC 2006


Hi Bob,

> 1) Alternative energy symbol (with overlay for Wind, Thermal,
> Water or Sun)

Unless the Station is there ONLY to monitor the sun wind etc, the icon
should be its primary function, eg Igate House, Digi etc..

> 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

It would need to have some user definable values to allow for what is
dreamed up in the future

>
> Each of these would have a different APExxx version number, so
> that decoding
> Systems can decode and display them without any other
> knowledge...

It might be easier to add something on the end of the Telemetry beacon to
indicate which data set it is.

>
> 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
>

We use "Site Alert" on some of our digi's in VK3 the format is,
Temp, Volts, Ptt Counts.
The third and fourth values are time but this could be changed should I find
a better use for them.

73
Warren
VK3BYD




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