[aprssig] Adding Water Gage and VOLTS info to APRS

Curt, WE7U archer at eskimo.com
Thu Jun 29 12:40:31 CDT 2006

On Wed, 28 Jun 2006, Robert Bruninga wrote:

> To accomodate the addition of remote water gages to APRS,
> two symbols have been designated for such use:
> /w  is the water symbol
> \w  is the flood symbol
> Typically a water gage above flood stage would switch to the
> flood symbol.  The water level is added as a fixed length
> field of Fxxxx where xxxx is from -999 to +999 centimeters.

This conflicts with hundreds or perhaps thousands of Firenet weather
objects.  'F' = Fuel Temperature, 'f' = Fuel Moisture.

> In addition, we are adding Vvvv for indicating volts in tenths.
> Thus V128 would be 12.8 volts for this instrument.

Note that we use "vis" for visibility in miles for some Firenet
weather packets.

> The proposed spec is shown on the APRS1.2 proposed
> addendum page:
> http://www.ew.usna.edu/~bruninga/aprs/watergage.txt

Where'd the water gauge stuff originate?  We've been doing river
gauges for years now on Firenet.  Is somebody else coming up with
a different format now?

Curt, WE7U.   APRS Client Comparisons: http://www.eskimo.com/~archer
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