[aprssig] Proximity detection

Scott Miller scott at opentrac.org
Wed Aug 22 11:19:49 CDT 2007

Not at all.  Kind of a pain to do in assembly language, though.  My 
implementation is all adds and shifts, except for a square root and one 
multiply to convert the distance units.


Andrew Rich wrote:
> Bit hard to do in a PIC chip Wes

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