Interested in any comments on this GPSDO - http://www3.sympatico.ca/b.zauhar/GPS_Std/GPS_Std.htm#GPS_Receivers DaveB, NZ -- No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.1.408 / Virus Database: 268.13.8/489 - Release Date: 20/10/2006