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Recent reviews for this item: Marc, September 27, 2012 I bought three of those and use them to feed NMEA to marine
radios and chart plotter. Low power draw and fast to aquire
from cold start, solid and functional.Just a great product
overall. redapplejoe, August 21, 2012 This GPS has two features that were important to me: 1)
weatherproof, and 2) 1 pps output. The latter allows me to use it
to provide precision time in a video timing device that I
manufacture and sell. Michael, June 15, 2012 bought 4 units to use as ntp time server for unix systems
that were not connected to the network. using gpsd, achieved
good results of typically less than .05 millisecond offset
(results from ntpq -p).
1 unit stopped working but it may have been the cabling. it
is far away and cannot be evaluated at this time.
It would be nice if a cable was pre-made that passed through
the pps signal to the serial connector. As it is, the wires
must be cut and soldered to the power and serial connectors.
the units themselves are quick to find satellites and to
reset when moved far from previous locations. just for your
information, they are a little jittery for the velocity and
altitude outputs since these should not change at all for
our application (sitting in 1 location). for example, speed
might be between .4 and 1.9 mph when stationary. WX4EMT (formerly KG4LEO), February 16, 2012 The first MR350P worked so well for my radio application
that when it came time to set up the navigation system the
choice was a no brain-er. This unit mounts to the roof and
requires nothing more than a USB adapter cable (sold
separately) and an appropriate computer program. When
coupled with GPS Gate this unit will send it's location
sentence or "string" to multiple programs running
simultaneously. The storm spotter's software SpotterNetwork
will now encode my position automatically so I can make
severe weather reports more quickly and precisely. This
will give National Weather Services' meteorologists more
accurate information so they can issue more accurate
warnings.
