Hi All, I'm attempting to get an RTCM and Trimble Thunderbolt E to talk. I'm using TSIP for the connection. Using debug level 14 I see "GPS Receiver Active, waiting for acquisition" Using debug level of 40 I can see packets coming in "DEBUG: TSIP: ok, 0, 9 - 14: 00 00 04 00 00 00 When I use Trimbles software "TrimbleStudio" I can see that the GPS's mode is "3-D, Auto"; its Status is "doing position fixes"; its Almanac is "complete & current". I can see the Lat/Lon and Altitude updating, and 6 satellites are being used for a position fix. It's in monitor mode TSIP 9600 8N1. I can't figure out why the Trimble software says everything is good, but the RTCM says the GPS is waiting for acquisition. Any ideas? Is there a debug level in the RTCM that might provide more information? Thanks, Jesse