Hello Jim,

There's a Perl script here
https://github.com/openttp/openttp/blob/develop/software/gpscv/ublox/ubloxlog.pl
that's for configuring and logging a ublox NEO-8MT. The caveat is that
it uses a custom file format. However, the associated processing
software, mktimetx,
will read this and produce RINEX. You will need to produce a fake file
of time-interval counter readings though, since mktimetx folds these
into the pseudoranges
(the software is for GPS common view time-transfer). As you will see,
this is all running on a Beaglebone.

If you want to modify the script to produce native binary files, the
equivalent script for the NVS NV08C
https://github.com/openttp/openttp/blob/develop/software/gpscv/nvs/nv08log.pl
does this, so you can use it as a guide for modifying - there are just
a few lines to change.

Cheers
Michael


On Thu, Apr 12, 2018 at 8:46 PM, jimlux <jim...@earthlink.net> wrote:
> It turns out that some of the newer Android phones support an API which
> returns raw GNSS data and that can be logged to a file in RINEX format.
> There's a few apps out there that do this although I've not tried it (my
> Samsung S6 doesn't have the right hardware).
>
> In any case, it might be interesting, if you have one of these devices, to
> let it log for a while, with the phone in a fixed place, and then post
> process the data.
>
> I ran across this when looking for software to generate RINEX files from
> data from NEO-7 GPS modules (which I'm still looking for)
>
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