[aprssig] APRStt 4 digit grid squares...justification

[Jason KG4WSV]

> On Feb 16, 2015, at 7:38 AM, Robert Bruninga <bruninga at usna.edu> wrote:
> 
> 
> Then making a DTMF contact is as easy as pressing ONE BUTTON.

If it's so easy, why use a solution that is obfuscated, inflexible, incomplete, imprecise, etc, just to save a key press or two on initial data entry?  Especially when multiple solutions without those failings were presented?

-Jason
kg4wsv