If you already have a bunch f PCs running NTP why add one more? Just run the PPS from your GS to one of the existing PCs Anklet t be a stratum one. It's zero cost. For hold over "Orphan mode" works well and will meet your 100 ms requirement. Again, it is zero cost.
On Sat, May 30, 2015 at 3:53 AM, David J Taylor <[email protected]> wrote: > Hi sorry for a possibly OT post. > Has anyone had practical experience with small commercially available time > servers / ntp servers suitable for mobile use in a vehicle. > > The use case is I am in need of an accurate (ie. within 100 ms) time source > for several pc's in moving vehicle. Being able to run directly off a 13.8 > or 28 VDC source would be a major plus but AC power is also available. > > Hold over if there are gaps in GPS coverage is also a major plus. > > We already have a GPS with a 1 pps output, but an integrated box with it's > own GPS would be best. > > Yes I am aware I could feed a 1 pps signal into a laptop and use that as a > time server and I may end up going that route. > > There is a small Ethernet LAN in the vehicle. The pc's currently get their > time via a wireless connection to various NTP servers. I need to be able > to ensure accurate time on the PC's if there is no wireless coverage. > > > This is for a one off project so piecing together various parts is an option > but a single box COTS solution would be nice. I've found a few candidates > via web searches but would welcome any feed back. > > Thanks in advance > > Mark Spencer > _______________________________________________ > > > Raspberry Pi perhaps? > > http://www.satsignal.eu/ntp/Raspberry-Pi-quickstart.html > > Cheers, > David > -- > SatSignal Software - Quality software written to your requirements > Web: http://www.satsignal.eu > Email: [email protected] > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. -- Chris Albertson Redondo Beach, California _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
