[email protected] said: > If the WAAS sats were purpose designed to provide a high accuracy carrier, > then yes there are ways to do it. The fundamental design concept of a "bent > pipe" is that you don't do any of that. You do not care what's going through > the bird, it just maps the input frequencies to the output and amplifies > them (a lot). Again, the WAAS signal is simply piggybacking on existing > hardware. The conversion oscillator is not locked to the GPS carrier (or to > any other carrier). It's simply a free running quartz based oscillator, > running into a synthesizer to get the appropriate microwave frequency.
If somebody wanted to use that path for a frequency reference, they could setup a ground station to measure the Doppler and distribute that so people could adjust their expectations. I suspect measuring the Doppler is a common sanity check. -- These are my opinions. I hate spam. _______________________________________________ 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.
