[time-nuts] How does sawtooth compensation work?

Mark Sims holrum at hotmail.com
Tue Jul 19 19:11:48 EDT 2016

Navspark has some affordable ($80) modules that do "raw" (carrier phase) output.    Also RTK modules for $50 that can give you real-time centimeter accuracy and GPS derived attitude and bearing between two units.    Alas, they don't seem to do L1/L2 or  accept an external clock.  They claim +/- 10 ns timing accuracy and also have a timing receiver that claims 6 ns.   At one time not too long ago carrier phase / RTK capabilities would set you back at least a couple of grand.


So far I have not seen one with the “right options” 
enabled for under $800.  		 	   		  

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