Thanks for your response Tim. Yes it was set to GPS I changed it to UTC applied the settings and rebooted I repolled the GPS unit and the config screen is shows UTC but the Debug there appears to be no difference.. this may be normal..?? I tried GPS PPS Polarity with both options 0=Non-Inverted and 1=Inverted no difference.. I have the GPS unit sending $GPGSV $GPRMC $GPGGA sentences to the RTCM . GPS-DEBUG: mon: 10, gps_time: 1385576929, ctime: Wed Nov 27 18:28:49 2013 GPS-DEBUG: $GPRMC,182850.0,A,3009.808,N,09550.255,W,000.00,000.0,271113,05.5,E*7A GPS-DEBUG: mon: 10, gps_time: 1385576930, ctime: Wed Nov 27 18:28:50 2013 GPS-DEBUG: $GPRMC,182851.0,A,3009.808,N,09550.255,W,000.00,000.0,271113,05.5,E*7B GPS-DEBUG: mon: 10, gps_time: 1385576931, ctime: Wed Nov 27 18:28:51 2013 GPS-DEBUG: $GPRMC,182852.0,A,3009.808,N,09550.255,W,000.00,000.0,271113,05.5,E*78 GPS-DEBUG: mon: 10, gps_time: 1385576932, ctime: Wed Nov 27 18:28:52 2013 GPS-DEBUG: $GPRMC,182853.0,A,3009.808,N,09550.255,W,000.00,000.0,271113,05.5,E*79 GPS-DEBUG: mon: 10, gps_time: 1385576933, ctime: Wed Nov 27 18:28:53 2013 GPS-DEBUG: $GPRMC,182854.0,A,3009.808,N,09550.255,W,000.00,000.0,271113,05.5,E*7E GPS-DEBUG: mon: 10, gps_time: 1385576934, ctime: Wed Nov 27 18:28:54 2013 GPS-DEBUG: $GPRMC,182855.0,A,3009.808,N,09550.255,W,000.00,000.0,271113,05.5,E*7F GPS-DEBUG: mon: 10, gps_time: 1385576935, ctime: Wed Nov 27 18:28:55 2013 GPS-DEBUG: $GPRMC,182856.0,A,3009.808,N,09550.255,W,000.00,000.0,271113,05.5,E*7C GPS-DEBUG: mon: 10, gps_time: 1385576936, ctime: Wed Nov 27 18:28:56 2013 GPS-DEBUG: $GPRMC,182857.0,A,3009.808,N,09550.255,W,000.00,000.0,271113,05.5,E*7D GPS-DEBUG: mon: 10, gps_time: 1385576937, ctime: Wed Nov 27 18:28:57 2013 GPS-DEBUG: $GPRMC,182858.0,A,3009.808,N,09550.255,W,000.00,000.0,271113,05.5,E*72 GPS-DEBUG: mon: 10, gps_time: 1385576938, ctime: Wed Nov 27 18:28:58 2013 GPS-DEBUG: $GPRMC,182859.0,A,3009.808,N,09550.255,W,000.00,000.0,271113,05.5,E*73 GPS-DEBUG: mon: 10, gps_time: 1385576939, ctime: Wed Nov 27 18:28:59 2013 GPS-DEBUG: $GPRMC,182900.0,A,3009.808,N,09550.255,W,000.00,000.0,271113,05.5,E*7E GPS-DEBUG: mon: 10, gps_time: 1385576940, ctime: Wed Nov 27 18:29:00 2013 GPS-DEBUG: $GPRMC,182901.0,A,3009.808,N,09550.255,W,000.00,000.0,271113,05.5,E*7F GPS-DEBUG: mon: 10, gps_time: 1385576941, ctime: Wed Nov 27 18:29:01 2013 GPS-DEBUG: $GPRMC,182902.0,A,3009.808,N,09550.255,W,000.00,000.0,271113,05.5,E*7 From: Tim Sawyer [mailto:tim.sawyer@mac.com] Sent: Wednesday, November 27, 2013 11:08 AM To: Gary Herzog Gmail Cc: app_rpt mailing list Subject: Re: [App_rpt-users] Trimble SVeeEight GPS to RTCM Try setting the time to UTC, rather than GPS time. -- Tim :wq On Nov 27, 2013, at 8:34 AM, Gary Herzog Gmail <kc5daq@gmail.com> wrote: We are trying to interface a Trimble-SVeeEight-Plus to the RTCM. I am running the S/W Version: 1.38 10/09/2013 on the RTCM and I am seeing the GPS info listed below in Debug mode 32 but I think I may be having issues with the PPS. The Trimble indicates that it has a 10 microseconds negative going pulse I noticed that the Garmin GPS 78X LVC has a default pulse width of 100 milliseconds. I am wondering if the Trimble is too fast for the RTCM.. is this going to be a problem?? It appears that I cannot adjust the pulse width on the SVeeEight as its grayed out.. any ideas. Your help would be greatly appreciated. Thanks Gary Kc5daq.. The 1PPS signal is an open collector interface on pin 9 of Ports 1 and 2. The polarity of the PPS signal is an inverted, 10 microseconds negative going pulse with the falling edge synchronized to UTC GPS-DEBUG: $GPRMC,181436.0,A,3009.798,N,09550.252,W,000.00,000.0,251113,05.5,E*76 GPS-DEBUG: mon: 10, gps_time: 1385403276, ctime: Mon Nov 25 18:14:36 2013 GPS-DEBUG: $GPRMC,181437.0,A,3009.798,N,09550.252,W,000.00,000.0,251113,05.5,E*77 GPS-DEBUG: mon: 10, gps_time: 1385403277, ctime: Mon Nov 25 18:14:37 2013 GPS-DEBUG: $GPRMC,181438.0,A,3009.798,N,09550.251,W,000.00,000.0,251113,05.5,E*7B GPS-DEBUG: mon: 10, gps_time: 1385403278, ctime: Mon Nov 25 18:14:38 2013 GPS-DEBUG: $GPRMC,181439.0,A,3009.798,N,09550.251,W,000.00,000.0,251113,05.5,E*7A GPS-DEBUG: mon: 10, gps_time: 1385403279, ctime: Mon Nov 25 18:14:39 2013 GPS-DEBUG: $GPRMC,181440.0,A,3009.798,N,09550.251,W,000.00,000.0,251113,05.5,E*74 GPS-DEBUG: mon: 10, gps_time: 1385403280, ctime: Mon Nov 25 18:14:40 2013 GPS-DEBUG: $GPRMC,181441.0,A,3009.798,N,09550.251,W,000.00,000.0,251113,05.5,E*75 GPS-DEBUG: mon: 10, gps_time: 1385403281, ctime: Mon Nov 25 18:14:41 2013 GPS-DEBUG: $GPRMC,181442.0,A,3009.798,N,09550.251,W,000.00,000.0,251113,05.5,E*76 GPS-DEBUG: mon: 10, gps_time: 1385403282, ctime: Mon Nov 25 18:14:42 2013 GPS-DEBUG: $GPRMC,181443.0,A,3009.798,N,09550.250,W,000.00,000.0,251113,05.5,E*76 GPS-DEBUG: mon: 10, gps_time: 1385403283, ctime: Mon Nov 25 18:14:43 2013 GPS-DEBUG: $GPRMC,181444.0,A,3009.798,N,09550.250,W,000.00,000.0,251113,05.5,E*71 GPS-DEBUG: mon: 10, gps_time: 1385403284, ctime: Mon Nov 25 18:14:44 2013 GPS-DEBUG: $GPRMC,181445.0,A,3009.798,N,09550.250,W,000.00,000.0,251113,05.5,E*70 GPS-DEBUG: mon: 10, gps_time: 1385403285, ctime: Mon Nov 25 18:14:45 2013 GPS-DEBUG: $GPRMC,181446.0,A,3009.798,N,09550.250,W,000.00,000.0,251113,05.5,E*73 GPS-DEBUG: mon: 10, gps_time: 1385403286, ctime: Mon Nov 25 18:14:46 2013 GPS-DEBUG: $GPRMC,181447.0,A,3009.798,N,09550.250,W,000.00,000.0,251113,05.5,E*72 Enter Selection (1-27,97-99,r,q,d) : S/W Version: 1.38 10/09/2013 System Uptime: 1747.0 Secs IP Address: 192.168.33.80 Netmask: 255.255.255.0 Gateway: 192.168.33.1 Primary DNS: 192.168.33.1 Secondary DNS: 8.8.8.8 DHCP: 0 VOTER Server IP: 192.168.33.60 VOTER Server UDP Port: 667 OUR UDP Port: 667 GPS Lock: 0 Connected: 0 COR: 0 EXT CTCSS IN: 1 PTT: 0 RSSI: 0 Current Samples / Sec.: 0 Current Peak Audio Level: 53448 Squelch Noise Gain Value: 18, Diode Cal. Value: 40, SQL pot 400 Last Rx Pkt System time: <System Time Not Set>, diff: 0 msec Last Rx Pkt Timestamp time: <System Time Not Set>, diff: 0 msec Last Rx Pkt index: 0, inbounds: 0 <image001.png> _______________________________________________ App_rpt-users mailing list <mailto:App_rpt-users@ohnosec.org> App_rpt-users@ohnosec.org <http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users> http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users