On 2010-03-23, Rick Jones <rick.jon...@hp.com> wrote: > unruh <un...@wormhole.physics.ubc.ca> wrote: >> I am sorry, but getting an authoritative time source is trivial. A >> GPS18x is cheap ( a lot less than you have spent on your salary in >> these postings) reliable and easy. If they do not need the >> microsecond precision of PPS, they can get a serial or usb version >> and get millisecond precision, which is probably all they need. > > Is it still "trivial" in a below-ground data center? Heck, even a > data center on the ground floor? It wasn't a GPS18x, but I tried > taking a garmin GPS12 into a few machine rooms and had no joy > whatsoever getting any GPS signal.
Well, you might have to run a line out to the ground floor, or just stick a $200 laptop with a connection to the data center. That is slightly less trivial I agree. > > rick jones _______________________________________________ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions
