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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><a name="UNIQUE_ID_SafeHtmlFilter__MailAutoSig"><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Chuck,<o:p></o:p></span></a></p><p class=MsoNormal><span style='mso-bookmark:UNIQUE_ID_SafeHtmlFilter__MailAutoSig'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></span></p><p class=MsoNormal><span style='mso-bookmark:UNIQUE_ID_SafeHtmlFilter__MailAutoSig'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>One other system fact:<o:p></o:p></span></span></p><p class=MsoNormal><span style='mso-bookmark:UNIQUE_ID_SafeHtmlFilter__MailAutoSig'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></span></p><p class=MsoNormal><span style='mso-bookmark:UNIQUE_ID_SafeHtmlFilter__MailAutoSig'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>App_rpt is running on a Raspberry Pi3, the network is operated with both SIMULCAST and VOTER active. <o:p></o:p></span></span></p><p class=MsoNormal><span style='mso-bookmark:UNIQUE_ID_SafeHtmlFilter__MailAutoSig'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></span></p><p class=MsoNormal><span style='mso-bookmark:UNIQUE_ID_SafeHtmlFilter__MailAutoSig'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Can you please define the source and meaning of the following:<o:p></o:p></span></span></p><p class=MsoNormal><span style='mso-bookmark:UNIQUE_ID_SafeHtmlFilter__MailAutoSig'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></span></p><p class=MsoNormal><span style='mso-bookmark:UNIQUE_ID_SafeHtmlFilter__MailAutoSig'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>GPSTime **I understand this to be the time reported by the GPSDO.<o:p></o:p></span></span></p><p class=MsoNormal><span style='mso-bookmark:UNIQUE_ID_SafeHtmlFilter__MailAutoSig'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>SysTime **Is this the time which the VOTER is reporting it is receiving from the MASTER or app_rpt?<o:p></o:p></span></span></p><p class=MsoNormal><span style='mso-bookmark:UNIQUE_ID_SafeHtmlFilter__MailAutoSig'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>DrainTime **The time which packets left the VOTER for app_rpt?<o:p></o:p></span></span></p><p class=MsoNormal><span style='mso-bookmark:UNIQUE_ID_SafeHtmlFilter__MailAutoSig'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></span></p><p class=MsoNormal><span style='mso-bookmark:UNIQUE_ID_SafeHtmlFilter__MailAutoSig'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Ultimately, I’m attempting to understand this in order to troubleshoot the implementation, as I have it.<o:p></o:p></span></span></p><p class=MsoNormal><span style='mso-bookmark:UNIQUE_ID_SafeHtmlFilter__MailAutoSig'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></span></p><p class=MsoNormal><span style='mso-bookmark:UNIQUE_ID_SafeHtmlFilter__MailAutoSig'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Kindest Regards,</span></span><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'> <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Kevin Babich | N9IAA<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Valparaiso, IN 46383<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'> <o:p></o:p></span></p><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span></b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> App_rpt-users <app_rpt-users-bounces@lists.allstarlink.org> <b>On Behalf Of </b>Chuck Henderson<br><b>Sent:</b> Monday, June 4, 2018 4:51 AM<br><b>To:</b> Users of Asterisk app_rpt <app_rpt-users@lists.allstarlink.org><br><b>Subject:</b> Re: [App_rpt-users] RTCM [RX Packet Out of Bounds] ***Updated***<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>Kevin,<o:p></o:p></p><div><p class=MsoNormal>I just checked 3 of my RTCM's and got the following results.<br>RTCM1:<br><span style='color:blue'>Current Time: Mon Jun 04, 2018 08:55:43.640<br>Last Rx Pkt System time: 06/04/2018 02:55:56.040, diff: 21587600 msec<br>Last Rx Pkt Timestamp time: 06/04/2018 02:55:56.040, diff: 0 msec<br>Last Rx Pkt index: 1080, inbounds: 1<br></span><br>RTCM2:<br><span style='color:blue'>Current Time: Mon Jun 04, 2018 08:58:20.300<br>Last Rx Pkt System time: <System Time Not Set>, diff: -905657056 msec<br>Last Rx Pkt Timestamp time: <System Time Not Set>, diff: 0 msec<br>Last Rx Pkt index: 0, inbounds: 0<br></span><br>RTCM3:<br><span style='color:blue'>Current Time: Mon Jun 04, 2018 08:58:48.060<br>Last Rx Pkt System time: <System Time Not Set>, diff: -905629296 msec<br>Last Rx Pkt Timestamp time: <System Time Not Set>, diff: 0 msec<br>Last Rx Pkt index: 0, inbounds: 0<br></span><br>I would not be concerned about the times. They are not important.<br><br>A better thing to look at is in the Asterisk CLI issue the command<br><span style='color:blue'>voter debug level 3</span><o:p></o:p></p><div><div><p class=MsoNormal>Then expect output like the following:<o:p></o:p></p></div><div><div><p class=MsoNormal><span style='color:blue'>GPSTime (South): 06/04/18 04:07:16.000000000</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:blue'>SysTime: 06/04/18 04:07:16.000000</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:blue'>DrainTime: 06/04/18 04:07:15.960</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:lime'>Got GPS (South): Lat: 4020.80N, Lon: 08856.35W, Elev: 225.7</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:red'>GPSTime (North): 06/04/18 04:07:16.000000000</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:red'>SysTime: 06/04/18 04:07:16.000000</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:red'>DrainTime: 06/04/18 04:07:15.960</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:lime'>Got GPS (North): Lat: 4030.79N, Lon: 08857.99W, Elev: 245.4</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:fuchsia'>GPSTime (East): 06/04/18 04:07:16.000000000</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:fuchsia'>SysTime: 06/04/18 04:07:16.000000</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:fuchsia'>DrainTime: 06/04/18 04:07:15.980</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:lime'>Got GPS (East): Lat: 4030.02N, Lon: 08855.92W, Elev: 250.2</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:lime'>sending KEEPALIVE (GPS) packet to client East digest 99479120</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:lime'>sending KEEPALIVE (GPS) packet to client North digest dd455bb0</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:lime'>sending KEEPALIVE (GPS) packet to client South digest 4a396b22</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:fuchsia'>GPSTime (East): 06/04/18 04:07:17.000000000</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:fuchsia'>SysTime: 06/04/18 04:07:17.000000</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:fuchsia'>DrainTime: 06/04/18 04:07:16.980</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:lime'>Got GPS (East): Lat: 4030.02N, Lon: 08855.92W, Elev: 250.2</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:blue'>GPSTime (South): 06/04/18 04:07:17.000000000</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:blue'>SysTime: 06/04/18 04:07:17.000000</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:blue'>DrainTime: 06/04/18 04:07:16.980</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:lime'>Got GPS (South): Lat: 4020.80N, Lon: 08856.35W, Elev: 225.7</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:red'>GPSTime (North): 06/04/18 04:07:17.000000000</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:red'>SysTime: 06/04/18 04:07:17.000000</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:red'>DrainTime: 06/04/18 04:07:16.980</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:lime'>Got GPS (North): Lat: 4030.79N, Lon: 08857.99W, Elev: 245.4</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:lime'>sending KEEPALIVE (GPS) packet to client East digest 99479120</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:lime'>sending KEEPALIVE (GPS) packet to client North digest dd455bb0</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:lime'>sending KEEPALIVE (GPS) packet to client South digest 4a396b22</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:blue'>GPSTime (South): 06/04/18 04:07:18.000000000</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:blue'>SysTime: 06/04/18 04:07:18.000000</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:blue'>DrainTime: 06/04/18 04:07:17.960</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:lime'>Got GPS (South): Lat: 4020.80N, Lon: 08856.35W, Elev: 225.7</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:red'>GPSTime (North): 06/04/18 04:07:18.000000000</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:red'>SysTime: 06/04/18 04:07:18.000000</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:red'>DrainTime: 06/04/18 04:07:17.980</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:lime'>Got GPS (North): Lat: 4030.79N, Lon: 08857.99W, Elev: 245.4</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:fuchsia'>GPSTime (East): 06/04/18 04:07:18.000000000</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:fuchsia'>SysTime: 06/04/18 04:07:18.000000</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:fuchsia'>DrainTime: 06/04/18 04:07:17.980</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:lime'>Got GPS (East): Lat: 4030.02N, Lon: 08855.92W, Elev: 250.2</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:blue'>GPSTime (South): 06/04/18 04:07:19.000000000</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:blue'>SysTime: 06/04/18 04:07:19.000000</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:blue'>DrainTime: 06/04/18 04:07:18.960</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:lime'>Got GPS (South): Lat: 4020.80N, Lon: 08856.35W, Elev: 225.7</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:red'>GPSTime (North): 06/04/18 04:07:19.000000000</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:red'>SysTime: 06/04/18 04:07:19.000000</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:red'>DrainTime: 06/04/18 04:07:18.960</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:lime'>Got GPS (North): Lat: 4030.79N, Lon: 08857.99W, Elev: 245.4</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:lime'>sending KEEPALIVE (GPS) packet to client East digest 99479120</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:fuchsia'>GPSTime (East): 06/04/18 04:07:19.000000000</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:lime'>sending KEEPALIVE (GPS) packet to client North digest dd455bb0</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:fuchsia'>SysTime: 06/04/18 04:07:19.000000</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:lime'>sending KEEPALIVE (GPS) packet to client South digest 4a396b22</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:fuchsia'>DrainTime: 06/04/18 04:07:18.980</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:lime'>Got GPS (East): Lat: 4030.02N, Lon: 08855.92W, Elev: 250.2</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:red'>GPSTime (North): 06/04/18 04:07:20.000000000</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:red'>SysTime: 06/04/18 04:07:20.000000</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:red'>DrainTime: 06/04/18 04:07:19.960</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:lime'>Got GPS (North): Lat: 4030.79N, Lon: 08857.99W, Elev: 245.4</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:fuchsia'>GPSTime (East): 06/04/18 04:07:20.000000000</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:fuchsia'>SysTime: 06/04/18 04:07:20.000000</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:fuchsia'>DrainTime: 06/04/18 04:07:19.980</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:lime'>Got GPS (East): Lat: 4030.02N, Lon: 08855.92W, Elev: 250.2</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:blue'>GPSTime (South): 06/04/18 04:07:20.000000000</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:blue'>SysTime: 06/04/18 04:07:20.000000</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:blue'>DrainTime: 06/04/18 04:07:19.980</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:lime'>Got GPS (South): Lat: 4020.80N, Lon: 08856.35W, Elev: 225.7</span><o:p></o:p></p></div></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Ignore the lines I marked in green and only be concerned with the lines that have "Time" in them.<o:p></o:p></p></div><div><p class=MsoNormal>Notice that each RTCM has 3 timestamp lines that are mostly together and they should be within about 40 ms of each other and should also be within about 40ms of the other RTCMs set of lines for that second. (this is with no signals present and with a very low network latency between RTCMs and the server).<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>If you find that one RTCM is many ms out of line with the others, I recommend rebooting that one and/or the master one.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>I also recommend not being logged into the RTCMs via telnet except to make setting changes. Having an active telnet session to the RTCM can have a negative impact on it's ability to maintain time sync lock. Having active output on that telnet session will have a negative impact on it's ability to maintain time sync lock. <o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>If the above does not solve your problem then try increasing your tx buffer setting to 1400 and see if that eliminates your problem. But do not evaluate if the problem is solved while you have an active telnet session to the RTCM.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>If you still have a problem then send the output of your "voter debug level 3" (with no signals present and no active telnet sessions to RTCMs).<o:p></o:p></p></div><div><p class=MsoNormal>Chuck<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div></div></div></div><div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>On Thu, May 31, 2018 at 7:30 PM, Kevin Babich <<a href="mailto:kevin.babich@gmail.com" target="_blank">kevin.babich@gmail.com</a>> wrote:<o:p></o:p></p><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><a name="m_-5656996648901030276_UNIQUE_ID_SafeHtm"><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Hayden,</span></a><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>When running DEBUG = 32, I see the following, but, only on occasion, say every minute or so:</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>06/01/2018 00:22:12.240 Warning: GPS Data time period elapsed</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>GPS-DEBUG: $GPRMC,002213.00,A,4131.82046,N,08702.05712,W,0.027,,010618,,,D*6D</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>GPS-DEBUG: mon: 5, gps_time: 1527812533, ctime: Fri Jun 1 00:22:13 2018</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>I suspect this has to do with the receiver losing lock. However, it doesn’t make sense as the receiver reports a strong signal and doesn’t show signs of loss of signal on the front alarm panel. The GPS antenna is designed with high RF immunity and is at a site with little activity.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Kindest Regards,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Kevin Babich | N9IAA</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Valparaiso, IN 46383</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span></b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> App_rpt-users <<a href="mailto:app_rpt-users-bounces@lists.allstarlink.org" target="_blank">app_rpt-users-bounces@lists.allstarlink.org</a>> <b>On Behalf Of </b>Hayden Honeywood<br><b>Sent:</b> Thursday, May 31, 2018 5:56 PM</span><o:p></o:p></p><div><div><p class=MsoNormal><br><b>To:</b> <a href="mailto:app_rpt-users@lists.allstarlink.org" target="_blank">app_rpt-users@lists.allstarlink.org</a><br><b>Subject:</b> Re: [App_rpt-users] RTCM [RX Packet Out of Bounds] ***Updated***<o:p></o:p></p></div></div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><div><div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Is the time in UTC? How far off is the system time?<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Have you done a full calibration of each board?<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>What baud rate do you run on your GPS's?<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>I tend to use 9600 baud and have had no issues with the GPS's I have used.<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>There is various GPS debug tools available in the RTCM. They are documented here - <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><a href="https://wiki.allstarlink.org/wiki/RTCM_Client#GPS" target="_blank">https://wiki.allstarlink.org/wiki/RTCM_Client#GPS</a><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Can you possibly try injecting a 9.6MHz signal in place of the crystal on board? Perhaps you have a variant of James KI0KN's problem where his crystals were off frequency.<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>I can't comment on that as I built all my boards and they have external frequency references.<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Regards<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Hayden VK7HH<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt'><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'><br>From: App_rpt-users <<a href="mailto:app_rpt-users-bounces@lists.allstarlink.org" target="_blank">app_rpt-users-bounces@lists.allstarlink.org</a>> On Behalf Of Hayden Honeywood<br>Sent: Wednesday, May 30, 2018 5:34 PM<br>To: <a href="mailto:app_rpt-users@lists.allstarlink.org" target="_blank">app_rpt-users@lists.allstarlink.org</a><br>Subject: Re: [App_rpt-users] RTCM [RX Packet Out of Bounds] ***Updated***<br><br><br><br>What is your values in voter.conf for RX buffer (960) and in the RTCM client for TX buffer (480). Are all RTCM TX buffers set to the same value? Yes, 480. These values were based upon the math Jim provided, which is a function of maximum latencies on the network. We rarely have greater than 1ms to any host on the network.<br><br><br><br>Are all the GPS's in a location where they cannot be swamped with RF? Yes, and they utilize PCTEL antennas with filtering for use in RF dense environments.<br><br><br><br>Some users have had success with a dedicated RTCM as the master timing source (with no radio connected). Has it been suspected that an RTCM doesn’t have the horsepower to handle both functions contemporaneously?<br><br><br><br>Regards<br><br>Hayden VK7HH<br><br>-------------- next part --------------<br>An HTML attachment was scrubbed...<br>URL: <<a href="http://lists.allstarlink.org/pipermail/app_rpt-users/attachments/20180530/24a4675d/attachment-0001.html" target="_blank">http://lists.allstarlink.org/pipermail/app_rpt-users/attachments/20180530/24a4675d/attachment-0001.html</a>><br><br>------------------------------<br><br>Message: 3<br>Date: Wed, 30 May 2018 19:51:43 -0500<br>From: "Kevin Babich" <<a href="mailto:kevin.babich@gmail.com" target="_blank">kevin.babich@gmail.com</a>><br>To: "'Users of Asterisk app_rpt'"<br> <<a href="mailto:app_rpt-users@lists.allstarlink.org" target="_blank">app_rpt-users@lists.allstarlink.org</a>><br>Subject: Re: [App_rpt-users] RTCM [RX Packet Out of Bounds]<br> ***Updated***<br>Message-ID: <010001d3f879$8c2b3710$a481a530$@<a href="http://gmail.com" target="_blank">gmail.com</a>><br>Content-Type: text/plain; charset="utf-8"<br><br>Hayden,<br><br><br><br>Do you know what exactly “RX Packet Out of Bounds” refers to? I can infer its meaning, but, one can’t be certain. Any thoughts why the system time is always so far off? It has always been, since I began experimenting with the RTCM in 2012. This is consistent across many RTCM’s.<br><br><o:p></o:p></p></blockquote></div></div></div></div></div></div></div><p class=MsoNormal><br>_______________________________________________<br>App_rpt-users mailing list<br><a href="mailto:App_rpt-users@lists.allstarlink.org">App_rpt-users@lists.allstarlink.org</a><br><a href="http://lists.allstarlink.org/cgi-bin/mailman/listinfo/app_rpt-users" target="_blank">http://lists.allstarlink.org/cgi-bin/mailman/listinfo/app_rpt-users</a><br><br>To unsubscribe from this list please visit <a href="http://lists.allstarlink.org/cgi-bin/mailman/listinfo/app_rpt-users" target="_blank">http://lists.allstarlink.org/cgi-bin/mailman/listinfo/app_rpt-users</a> and scroll down to the bottom of the page. Enter your email address and press the "Unsubscribe or edit options button"<br>You do not need a password to unsubscribe, you can do it via email confirmation. If you have trouble unsubscribing, please send a message to the list detailing the problem. <o:p></o:p></p></blockquote></div><p class=MsoNormal><o:p> </o:p></p></div></div></body></html>