Useful Small C Programs for a GNU Environment

gps.c
A program printing out position if you connect a NMEA-capable GPS to the serial port of a Linux machine.

short2num.c
Converts raw data file with short numbers to readable number file which can be plotted with Gnuplot or Matlab.

float2num.c
Does the same as the previous only this takes as input file with float numbers.

complex2num.c
And complex numbers...

aisnmea.c
Decodes type 1,2,3,4,5 AIS messages.