WARNING! May contain bank switching.
A simple HAB tracker developed as an exercise in learning PIC assembler.
Interfaces to the data line of an NTX2B transmitter to send minimal UKHAS format RTTY telemetry strings at 50 baud 7N2 using an interrupt generated at bit rate by timer 0.
Interfaces to a UBLOX 7 GPS at 9600 baud 8N1 using the EUSART