Code used to combine a Compeo+ and 76s tracklog.

gistfile1.py

#!/usr/bin/env python

import datetime

from igc2kmz.igc import IGC

garmin = IGC(open('blackheath_blackville_garmin.igc'))
compeo = IGC(open('blackheath_blackville_compeo.igc'))
g_track = garmin.track()
c_track = compeo.track()

for i,t1 in enumerate(c_track.t):
    for j,t2 in enumerate(g_track.t):
        if t2 >= t1-3 and t2 <= t1+3:
            dt = datetime.datetime.fromtimestamp(c_track.t[i])
            # HHMMSS LAT LONG 'A' 00000 00ALT
            print('B%02d%02d%02d%sS%sEA00000%05d' % (dt.hour, dt.minute, dt.second, garmin.o[j]['lat'], garmin.o[j]['lon'], c_track.ele[i]))
            break