"Richard B. Gilbert" <[EMAIL PROTECTED]> writes: >Terje Mathisen wrote: >> Richard B. Gilbert wrote: >>> Hal Murray wrote: >>>> The Garmin GPS 18 LVC is popular. "Some assembly required." >>>> (aka soldering) No big deal if somebody has a soldering iron >>>> handy. There are a couple of links from here: >>>> http://support.ntp.org/bin/view/Support/InexpensiveOemGps >>> >>> You will need a 5VDC power supply and a DB-9 or DB-25 connector that >>> will connect to a serial or parallel port. The serial port DCD line >>> is frequently used. Also some hookup wire, solder, and perhaps other >>> goodies. >> >> Using a USB port for the +5V line is the canonical solution: Very cheap, >> dependable, and no extra wall warts. >> >> Terje >>
>I have read claims here that the high and unpredictable latencies in USB >render it useless for time keeping! Yes. That is why you ONLY use it for the 5V. The usb output is +5V, Signal +, Signal -, Power ground. Ignore the signal lines and just use the +5V and ground to power your Garmin GPS. _______________________________________________ questions mailing list [email protected] https://lists.ntp.org/mailman/listinfo/questions
