[aprssig] Subaudible PSK31 APRS

Jason KG4WSV kg4wsv at gmail.com
Wed Aug 20 12:15:08 EDT 2008

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?


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