Wouldn't a Cs or Rb clock in orbit be slow due to relativistic effects? I'm pretty sure there is a relativistic correction to the GPS clocks.
Bob - AE6RV ----- Original Message ----- > From: Bob Camp <[email protected]> > To: Discussion of precise time and frequency measurement <[email protected]> > Cc: > Sent: Friday, July 5, 2013 10:33 AM > Subject: Re: [time-nuts] Speaking of Costas loops > > Hi > > The sat needs to transmit at the GPS frequencies and have an uplink that > works > exclusively with those frequencies. (or at least that sub band). A > "normal" transponder probably would not radiate at the GPS allocation, > simply to be a good citizen. I believe the "specialization" is simply > a frequency mod to allow WAAS to pass through. There is no mention of a space > qualified Cs and / or Rb flying on those birds and no indication that the > ground > segment is controlling such a payload. If all that *was* present, then > including > them in the normal navigation solutions would be a "zero cost" next > step. > > Bob _______________________________________________ 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.
