[time-nuts] ✘NEO-M8N vs. NEO-M8T

Gary E. Miller gem at rellim.com
Sun May 20 19:03:25 EDT 2018


I have heard for a long time to use the u-blox Time Sync products, instead
of the basic GPS products, for precisin time.

So I ordered a NEO-M8T and compared it against a plain NEO-M8N.  Tests
done using a TAPR-TICC and a JL GPSDO for reference.  All tests using the
same antenna and 12 hours of data.

The results were disappointing.  See attached.  For 8x the price all I
see is a slightly flatter ADEV curve.

The M8T also support raw data, so I can try to use it for RINEX files.

Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
	gem at rellim.com  Tel:+1 541 382 8588

	    Veritas liberabit vos. -- Quid est veritas?
    "If you can’t measure it, you can’t improve it." - Lord Kelvin
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