I don't believe that there is a 1pps available to the OS.
The GPS chipset seems to provide a very limited amount of data to the
phone. For example, there does not appear to be any way to get
satellite status info from the GPS chip to the OS. At least none of
the apps I've tried thus far (and I've tried a fair number) provide
anything like that.
Tom Frank
On Feb 17, 2010, at 12:23 AM, Jim Palfreyman wrote:
Hi all,
Having recently acquired a new iPhone with a built in GPS, I was
wondering
if anyone is aware of an application that uses the GPS 1PPS to produce
accurate time. I seem to remember reading somewhere that it is not
possible
to adjust the internal clock, but one could still produce an
accurate time
display based on the GPS 1 PPS and even provide time pips. Combine
that with
the internal video there seems a myriad of possibilities.
However, trying to find such applications is a large effort and I
was hoping
the time-nuts community may be aware of some time-aware cleverness
on the
iPhone.
Regards,
Jim Palfreyman
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