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Portable Gps/Plotter with AIS-Receiver Support
"Pascal" skrev i en meddelelse ups.com... ... Today, I use the only seriel port on the PC to get the NMEA stream of data from the GPSvia RS232 ... The C-map chart reader is using a USB interface, ... I will then have to figure out how also to get the seriel input from the AIS engine into the PC ... May be via USB? Or a multiplexor? If I'm not mistaken, Meindert will have an answer to that ... -- Flemming Torp Gimle/DEN-61 Flemming, If you buy the SR161 (I have one of these) it alows you to connect the serial output cable (DB9 end) of your Gps (my gps is a Garmin and the serial cable is standard) to the "serial input/output" DB9 on the AIS receiver SR 161, so, the SR161 act as a Multiplexor, joinining the Gps NMEA outputed at 4800 bps from the gps with his own generated AIS NMEA data and sending to the serial port of the PC (DB9) a "correctly combined Gps/Ais mixed NMEA Messages" at 38400 bps ... In this way, I do not need another serial port on the laptop/Pc. The Milltech Marine site where I have buy my AIS unit sell a already made special cable, (I have buy one, becase I do not like to made this type of work too) but they have an diagram in PDF of the cable so tht you can made one yourself. Pascal |
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