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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;color:#1F497D'>Yes the RTCM can be used behind a firewall and does not require any port forwarding for normal operation. There is a telnet console for configuration and if you want to configure the RTCM remotely you will need to forward that port.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> App_rpt-users [mailto:app_rpt-users-bounces@lists.allstarlink.org] <b>On Behalf Of </b>Doug Kingston<br><b>Sent:</b> Tuesday, April 25, 2017 10:54 PM<br><b>To:</b> Users of Asterisk app_rpt<br><b>Subject:</b> Re: [App_rpt-users] Micro-Node RTCM<o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>Thank you Mark, that was very informative.<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>My guess is that this device is unlikely to be able to "defend" itself very well and should probably be placed behind a restrictive firewall. Do you concur?<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>-Doug-<o:p></o:p></p></div></div><div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>On Tue, Apr 25, 2017 at 10:26 PM, Mark Guibord <<a href="mailto:mark@micro-node.com" target="_blank">mark@micro-node.com</a>> wrote:<o:p></o:p></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:#1F497D'>The RTCM uses a 16 bit DSP with a tightly integrated interrupt driven firmware package written in c </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;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;color:#1F497D'><a href="http://www.microchip.com/wwwproducts/en/dsPIC33FJ128GP804" target="_blank">http://www.microchip.com/wwwproducts/en/dsPIC33FJ128GP804</a></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;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;color:#1F497D'>If you're interested here is a link to the open-source software for the RTCM.. </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;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;color:#1F497D'><a href="http://svn.ohnosec.org/viewvc/projects/allstar/voter/board-firmware/?root=svn" target="_blank">http://svn.ohnosec.org/viewvc/projects/allstar/voter/board-firmware/?root=svn</a></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;color:#1F497D'> </span><o:p></o:p></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> App_rpt-users [mailto:<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>Doug Kingston<br><b>Sent:</b> Tuesday, April 25, 2017 9:41 PM<br><b>To:</b> Users of Asterisk app_rpt<br><b>Subject:</b> Re: [App_rpt-users] Micro-Node RTCM</span><o:p></o:p></p></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>I know that I would have a GPS with 1pps feed to get the timing. Once you have that, what is different in an RTCM other than nice packaging?<o:p></o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>What is the core processor technology inside the RTCM. I am assuming is some form of ARM processor. Can you can you get a root shell and use SSH to access?<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'>-Doug-<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><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>On Tue, Apr 25, 2017 at 7:50 PM, Fredric Moses <<a href="mailto:fred@moses.bz" target="_blank">fred@moses.bz</a>> wrote:<o:p></o:p></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>You seem confused… you still need a linux system running app_rpt with the RTCM’s… think of the RTCM as an ethernet based radio interface vs usb.. But that radio interface when you add GPS to each one can do voting with others.. and with some more work simulcast transmitting…<br><br>We have some 50-60 RTCM’s deployed and love them… Getting ready to rebuild another clubs VHF repeater voter system with a 6 site RTCM based voting system. I just started testing the new hamvoip rPi3 image with some rtcm’s myself...<br><br>--<br>Fredric Moses - W8FSM - WQOG498<br><a href="mailto:fred@moses.bz" target="_blank">fred@moses.bz</a><o:p></o:p></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><br>> On Apr 25, 2017, at 22:32, Doug Kingston <<a href="mailto:dpk@randomnotes.org" target="_blank">dpk@randomnotes.org</a>> wrote:<br>><br>> I am considering using these for a amateur repeater voting application. The alternative would be to roll my own with a Raspberry Pi 3 and probably the HamVOIP.org distribution. Who out there is using the RTCM? I can find very little information beyond the manual and I am concerned that the software may not be maintained and that there is not enough access to the underlying Linux system.<br>><br>> Who can tell me more about the RTCM?<br>><br>> Has anyone rolled their own with a Pi3? Any advice there?<br>><br>> -Doug-<o:p></o:p></p></div></div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'>> _______________________________________________<br>> App_rpt-users mailing list<br>> <a href="mailto:App_rpt-users@lists.allstarlink.org" target="_blank">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. 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