File list (Check if you may need any files):
gpscode\calc_error.c
.......\gps.h
.......\gpsconst.h
.......\inp.txt
.......\inpsd.txt
.......\makefile
.......\out.txt
.......\outsd.txt
.......\outsdsms.txt
.......\rangemov.txt
.......\rangeref.txt
.......\README
.......\Sam's GPS software pages.mht
.......\satpos.c
.......\sdsmooth.c
.......\sdsmooth_main.c
.......\singldif.c
.......\singldif_main.c
.......\solve.c
.......\stdalone.c
.......\stdalone_main.c
.......\support.txt
.......\xyz2lla.c
gpscode