Hi all, I made a patch that uses the comport object to read NMEA messages into pd and parses the GPRMC ones into usable form. gps.pd : http://artengine.ca/~tiki/tiki-download_file.php?fileId=186 some more info : http://artengine.ca/~tiki/tiki-view_blog.php?blogId=1 Cheers, Alexandre