Terje Mathisen wrote: [] > By far the easiest/cheapest is the Garmin GPS-18 VLC (??? model ???), > i.e. the one that comes with naked rs232 wires. [] > Terje Actually: GPS 18 LVC Simple example: http://www.david-taylor.myby.co.uk/ntp/FreeBSD-GPS-PPS.htm Cheers, David