On Sat, 2007-03-17 at 21:31 +0100, Carlos E. R. wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > > The Saturday 2007-03-17 at 18:06 +0100, Roger Oberholtzer wrote: > > > We also have a fair assortment of inclinometers, accelerometers, > > gyroscopes and distance measurement devices. GPS alone is never going to > > cut it. It is when synchronizing all these devices that small variations > > in time are relevant. > > Ah! Now I understand why you need precision system time, and the time > stamp of the gps data is not enough. You need to measure and sync other > sensors data. > > Very interesting project :-) > > By the way, if you are using a data adquisition card, they often have > their own clock of one kind or another.
We have our own VME-based cards that capture and analyze. It indeed does have a clock and stamps all collected data. But it is external to the computer, so we need to sync time with it, the gps and other devices. Glad we use Linux for this. -- Roger Oberholtzer OPQ Systems / Ramböll RST Ramböll Sverige AB Kapellgränd 7 P.O. Box 4205 SE-102 65 Stockholm, Sweden Tel: Int +46 8-615 60 20 Fax: Int +46 8-31 42 23 -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
