I must admit I find NTP fascinating, depending on my mood. About 20
years
ago I had written something that attempted to measure the drift in my
computer's clock based on daily *manual* settings while listening to WWV
or
CHU. Room temperature was the biggest factor. I'm still interested in
the
audio WWV and CHU reference clocks. I don't own a GPS and I live in the
boonies where the only internet connection is dialup. I'm 57, retired,
partially disabled, and I like programming. I'm also a ham, but not
very
active. I've got a bio at http://www.qrz.com/db/ab1jx and a small
homepage
at http://ab1jx.webs.com.
[]
Alan
Alan,
I would suggest you get a GPS if possible. There are a number of low-cost
devices now available, such as the Garmin GPS 18x LVC, and the Sure
Electronics GPS Evaluation board. I've used both, and they work very
well, being sensitive enough to work with an indoor antenna on the top
floor of a building. The sure board is about US $35. Both require a
little soldering. I've written up my experiments here:
GPS 18x LVC:
http://www.satsignal.eu/ntp/FreeBSD-GPS-PPS.htm
Sure board:
http://www.satsignal.eu/ntp/Sure-GPS.htm
Good luck with your projects!
73,
David GM8ARV
http://www.satsignal.eu/davids.html
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