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post #5 of Old 06-21-2007
Telstar 28
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Originally Posted by labatt
I have been having this problem on and off with a 120 series GPS receiver. If I power the receiver off and back on (the chartplotter is irrelevant) it comes back. I haven't been able to track the gremlin down. The only pattern I can find is that it fails at the most critical moment.
That would be Murphy.


Just FYI, most GPS units will allow you to save waypoints to a memory card or computer... so that you don't have to manually enter them over again. This is probably the way to go, since manually entering them allows the chance to royally screw them up each time.


Does the Raystar 125 output NMEA 0183 or Seatalk? If it outputs NMEA 0183, you could always put a computer's serial port on it and see what data is actually being passed. That would at least tell you if the Raystar 125 is actually getting a lock and transmitting the proper data. If it is, then it is likely that the display is the issue. That sounds far more likely IMHO.

If it transmits only in Seatalk, you could use a NMEA 0183 multiplexer, since there is at least one out there that can translate Seatalk into NMEA 0183.


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Telstar 28
New England

You know what the first rule of sailing is? ...Love. You can learn all the math in the 'verse, but you take
a boat to the sea you don't love, she'll shake you off just as sure as the turning of the worlds. Love keeps
her going when she oughta fall down, tells you she's hurting 'fore she keens. Makes her a home.

—Cpt. Mal Reynolds, Serenity (edited)

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