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Sat Mar 21 21:18:14 UTC 2009
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directly exploit the Fleet Management Interface are: <br> <br> o The Argent Data "G-Trans" cable for = the Kenwood APRS radios. This device has a mini-USB plug on one end = (to go into the Garmin), and a 2.5mm stereo miniplug on the other (to go into = the Kenwoods' dedicated GPS serial port). This cable, with an = embedded microcontroller in a "goiter" in the middle of the = cable, translates Garmin FMI live position data from the Nuvi to serial = standard 4800 baud NMEA ASCII for use by the Kenwoods and other NMEA-using devices. <br> <br> The Kenwood APRS radios are capable of translating incoming posits = received from other station into NMEA $GPWPL waypoint strings which can be sent = back to many display GPS devices that accept and plot waypoint data. This data = is fed OUT of the dedicated GPS port on the Kenwood radios, BACK to the = GPS on the other half of the serial cable bringing GPS data TO the radio. = <br> <br> If this feaure is enabled in the Kenwood radio, the G-Trans cable will = convert $GPWPL waypoints back to Garmin FMI format for display on the Nuvi 350's maps. Details on this cable for the Kenwood radios here:<br> <br> <a href=3D"https://www.argentdata.com/catalog/product_info.php?cPath=3D28&am= p;products_id=3D113"><https://www.argentdata.com/catalog/product_info.= php?cPath=3D28&products_id=3D113></a><br> <br> The G-Trans cable is also available with a standard DB9 serial plug on = the end rather than the 2.5mm stereo miniplug used by Kenwoods. (The GPS = data OUT should be usable by ANY device (tracker, laptop, etc) that accepts = normal RS-232 4800 baud NMEA 0183 GPS data. The waypoint data IN = would depend on the capabilities of the attached device.) Details on the alternate G-Trans cable here:<br> <br> <a href=3D"https://www.argentdata.com/catalog/product_info.php?cPath=3D28&am= p;products_id=3D114"><https://www.argentdata.com/catalog/product_info.= php?cPath=3D28&products_id=3D114></a><br> <br> <br> o The Argent Data Tracker 2 (tracker & = send/receive TNC) which can use the Nuvi 350 as a GPS source for the tracker, and the = screen as an APRS mapping display and messaging terminal. = [The program code for dealing with the FMI protocols are built into the T2's firmware.] The T2 has to be connected to the Garmin with the DB9 = version of the G-Trans cable. <br> <br> <br> <br> Note that these are open-sourced devices, so the program code for = dealing with FMI is visible and can be used as a starting point for developing = similar capabilities in other software. <o:p></o:p></span></font></p> <div class=3DMsoNormal align=3Dcenter style=3D'text-align:center'><font = size=3D3 color=3Dblack face=3D"Times New Roman"><span style=3D'font-size:12.0pt'> <hr size=3D2 width=3D"100%" align=3Dcenter> </span></font></div> <p class=3DMsoNormal style=3D'margin-bottom:12.0pt'><font size=3D3 = color=3Dblack face=3D"Times New Roman"><span style=3D'font-size:12.0pt'><br> <br> <br> --<br> <br> Stephen H. Smith wa8lmf (at) aol.com <br> EchoLink Node: WA8LMF or 14400 [Think bottom of the 2M band]<br> Skype: WA8LMF<br> Home Page: <a href=3D"http://wa8lmf.net">http://wa8lmf.net</a><br> <br> JavAPRS Filter Port 14580 Guide <br> <a = href=3D"http://wa8lmf.net/aprs/JAVaprsFilters.htm">http://wa8lmf.net/aprs= /JAVaprsFilters.htm</a><br> <br> "APRS 101" Explanation of APRS Path Selection & = Digipeating <br> <a = href=3D"http://wa8lmf.net/DigiPaths">http://wa8lmf.net/DigiPaths</a> = <br> <br> Updated "Rev H" APRS = <a href=3D"http://wa8lmf.net/aprs">http://wa8lmf.net/aprs</a><br> Symbols Set for UI-View, <br> UIpoint and APRSplus:<br> <br> <o:p></o:p></span></font></p> </div> </body> </html> ------=_NextPart_000_02B8_01CA25CE.94B2D8C0--
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