[ntp:questions] GPS clock for Linux
Richard B. Gilbert
rgilbert88 at comcast.net
Fri Sep 12 11:45:51 UTC 2008
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:
>> 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
> Using a USB port for the +5V line is the canonical solution: Very cheap,
> dependable, and no extra wall warts.
I have read claims here that the high and unpredictable latencies in USB
render it useless for time keeping!
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