[time-nuts] 1PPS for the beginner
time at rbean.users.panix.com
Tue Aug 14 10:33:54 EDT 2018
>A normal GPS module generates it�\200\231s outputs off of a free
>running internal clock. Generally this is a TCXO in a
>�\200\234timing�\200\235 GPS ( = one that puts out a rational PPS).
>This i bit counter intuitive, since you would *think* they phase lock
>the local source in the module. They don�\200\231t mainly because it
>makes the math easier.
Is there a need to make the math easier?
This is what we have microprocessors for.
Thanks for the "hanging bridge" explanation. It would be nice if
someone had a time-nuts-glossary that included various terms that
come up on the list, like "hanging bridge", "spurs", "sawtooth
correction", "GPS allan ski jump", etc.
Is there a time-nuts FAQ?
More information about the time-nuts