Gps2digipos

gps2digipos -h
Read serial GPS and make position string to insert into APRS-beacon
 -a                                altitude on
 -f <filename>                     writes <fn.lat> <fn.long> and <filename.alt>
 -h                                this
 -m <seconds>                      time to read gps to make median position
 -s                                GPS Checksum check OFF
 -t <tty>:<baud>                   default /dev/ttyS0:9600
 -u                                not retry until open removable USB tty
 -v                                verbous
 example:  -t /dev/ttyS0:9600 -u -f test -i "/-" -a -m 30 -v