> I will look at that, thanks. My logger also produces NMEA files, but I > couldn't open them in Merkaartor either. Since CSV is easy to read (for > me/humans) I prefer the csv file from my logger. which logger are you using? -- Bernd Zeimetz Debian GNU/Linux Developer GPG Fingerprint: 06C8 C9A2 EAAD E37E 5B2C BE93 067A AD04 C93B FF79