[aprssig] Parameter Names and Labels for Digital Telemetry Information

Charles Bland root at blandranch.net
Thu Oct 18 17:13:20 EDT 2012

Chapter 13 of the APRS spec goes into the detail of the parameter names.

The PARM. message contains the analog and digital channels.

The UNIT. message contains units for the analog channels and "labels" for
the digital channels. This isn't clear to me.

Regarding the digital channels, what is the difference between a "name" and
a "label"? I see the message examples in the spec, but I really don't see
an application for the labels.

Can anyone provide for clarity on this?

Chuck Bland
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