Dave Hart wrote: > On Mon, Jun 15, 2009 at 11:26 PM, Richard B. > Gilbert<rgilber...@comcast.net> wrote: > >> I wouldn't worry excessively about it! If there is a stratum one server >> in the pool, it's there because the owner wanted it there. >> >> What you should NOT do, is configure several of your machines to use it! >> If you have ONE server querying that stratum 1 box, that server is a >> stratum two server and can serve time to your local network. >> > > Using the pool on several machines is fine. What the pool folks do > ask is that you don't find servers using the pool, then hardcode their > name or IP address in your configuration. That is so people can leave > the pool and not have the IP/name continue to get (at that point) > unwanted NTP queries. > > >> For that matter, you could set up your own stratum one server! All it >> takes is a GPS Timing Receiver and a PC running Solaris or Linux and >> NTPD. Net investment is $100-$300 for the timing receiver, cable, >> > [...] > > I don't think you can find a timing-specialized GPS receiver for that > price. You can get a location-oriented GPS receiver with PPS, namely > the Garmin GPS 18x LVC, in that price range. I spent $100 for mine > modified by someone more competent with a soldering iron to have a > PC-compatible DB-9 serial connector and a USB cable for power. The > receiver itself can be had for under $60 in the US, but then you have > to supply the DB-9 hood, USB cable (or other 5V supply), and time to > wire it up. > I spent something like $300 US several years ago on a Motorola Oncore (sp?) M12+T and have been using it since. It has worked quite well.
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