I've set up numerous GPS systems over the years to pump out NMEA strings for use in Hypack. I can't quite get the VIVA system working though. Apparently I can't pump NMEA out of the controller (CS15), only the antenna(GS15). I have tried a GEV162 cable into port 1 of the GS. On "other connections" I have set NMEA1 to send all messages through port 1, with the device set to RS232. RS232 is set to 9600, 8, None, & 1. Also tried a GEV160 cable into port 2. Set port 2 up the same with NMEA2, all messages, RS232 for device. Still no NMEA strings into hyperterminal or Hypack. Anybody got this system up and running with NMEA?