[aprssig] Subaudible PSK31 APRS

[Jason KG4WSV]

On Tue, Aug 19, 2008 at 11:41 AM, Robert Bruninga <bruninga at usna.edu> wrote:

> Now then using the translation of digits to lower case letters
> optimizes the use of PSK-31 varicode using the following table
> which shows the digit, the number of varicode bits used, the
> replacement lower case letter and the desciption.

Is this standard practice in PSK31 operation?

-Jason
kg4wsv