GPS time synch

Jae Stutzman jaebird at
Wed Feb 21 03:02:09 CET 2007

GPS is much more accurate for time information, but GSM is "good enough" for
knowing the time! Most GSM phones do sync to the network. Hopefully there
are some "undocumented" commands for the GSM module that are unknown at this
time. NTP over GPRS is a solution looking for a problem IMHO. Here is
another: Detect the frequencies of a bell tower using the built-in
microphone, then count the hammer strikes... voila :)

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