nmea gps library - without any serial

Dependents:   HARP2 HARP3 20180621_FT813

Fork of GPS_parser by Tyler Weaver

NMEA GPS Serial Output parser.

Routine taken from NMEA Software Standard (NMEA 0183) http://www.winsystems.com/software/nmea.pdf

Only handles GGA and RMC Messages

no such method: tip