It just starts spitting out NMEA data and they work good I use them for time stamping timing critical events on remote nets. If you contact tech support with Maestro you email with "Larry" and this is not much better than the manual but once he understands what you want and stops telling you really basic things off his troubleshooting sheet you get what you need from someone behind the curtain. Given the $20 cost for a fully functional GOS with PPS it is a great deal, even with the poor docs. They are surface mount parts but hand solder very easily.Regarding the shutdown shutdown stuff I just wait the second then shutdown power.
Set the GPS RESET pin; delay of 200ms; Clear the GPS RESET pin; delay of 400ms; Set the GPS ON pin; delay of 400ms; Clear the GPS ON pin; delay 2000ms; wait for serial data.
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