[time-nuts] NEO-7M various modes

Wayne Holder wayne.holder at gmail.com
Sat Oct 28 18:24:23 EDT 2017

uBlox has a utility called u-center
<https://www.u-blox.com/en/product/u-center-windows> that's a free
download.  You can use it to configure the various output options (and
enable and disable different messages) and a then save this config back to
the module as the start up default.


On Sat, Oct 28, 2017 at 3:12 PM, jimlux <jimlux at earthlink.net> wrote:

> I've got 4 NEO-7M-C modules hooked up to 7 beaglebone greens, side by
> side, and they're not behaving the same..
> I've got gpsd running, and I'm looking at the output of cgps and/or
> gpsmon, as well as ppstest
> Some emit NMEA sentences, others binary (ublox?) strings?
> Some get a fix and start toggling the 1pps line, others don't.
> Is there some command string one can send to them to put them into a known
> state (cold reset?) - the one that's working the best (I.e. has a fix AND
> toggles 1pps) seems to be putting out binary strings (when viewed with
> gpsmon).
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