[time-nuts] u-blox "naked" chips - anyone brave enough to try them?
attila at kinali.ch
Wed Jun 15 05:11:11 EDT 2016
On Wed, 15 Jun 2016 09:44:15 +0200
Mike Cook <michael.cook at sfr.fr> wrote:
> Certainly cheap…. BUT
> On the ublox site there is a table indicating that the KT is a standard precision engine. On the same table, the UBX-M8030-KT-FT is required for timing:
Oops! Missed that one! Sorry!
How about using an UBX-G6010  then? They are also available for <5USD/pcs.
Apparently, it is possible to enable various commands with the 6th gen
chips  and there is some RAW message enabled firmware available
> So, they may be cheap, very cheap, but are they really what a TN would want?
Given the amoount of people who use modules without even sawtooth correction
and still get pretty good results, it might be promising. At the very least
you could get around measuring the PPS directly and instead, just use the
sawtooth correction message to know how far you've drifted
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