Martin Burnicki <martin.burni...@meinberg.de> wrote:
> IMO the GPS system designers have made quite a number of wise decisions, 
> e.g. letting the GPS time simply increase monotonically, which is, from 
> a technical/usage point of view, similar to TAI.

That decision was wise.  The decision to express date in weeks and put
it in a 10-bit field was not so wise.  Oh well.

> AFAIK the GLONASS satellites use UTC instead, which causes an 
> interruption in the sequence of data frames whenever a leap second occurs.

I think GLONASS uses "Moscow local time".

I read that Galileo also has its own time scale (GST) synchronized to TAI
and it broadcasts the time offset to GPS time expressed in nanoseconds.

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