[time-nuts] GPS backup for the stationary time and frequencyuser
SAIDJACK at aol.com
SAIDJACK at aol.com
Wed Oct 13 01:49:19 UTC 2010
Hi Jason,
yes, we use uBlox among others. We have a very high opinion of these in
mobile applications.
We add dynamic GPS filter parameter configuration in our software, the
units with default configuration are not really usable in mobile applications
above walking speed. We did numerous actual flight tests as well as varied
simulator testing to fine-tune and optimize our software for mobile
applications.
I am not aware that there are other GPSDO's optimized for mobile
application velocities ranging from walking to supersonic that automatically
configure the GPS filter parameters, but would like to know what else is out there.
bye,
Said
In a message dated 10/12/2010 10:06:08 Pacific Daylight Time,
jason at extremeoverclocking.com writes:
Said,
Are those using the u-blox receivers? (I don't know of any other company
with a 50 channel receiver.) If so, what's your overall
opinion of them?
Jason
> one more product line: all of our Jackson Labs Technologies, Inc.
> FireFly-1A and FireFly-IIA based GPSDO Timing products use WAAS by
default.
>
> Actually they use WAAS in the Americas, Egnos in Europe and other SBAS
> signals around the world.
>
> We have shown significantly better than 1 meter horizontal accuracy
while
> moving inside a Turbo-Prop aircraft with this setup, and timing is also
> greatly improved by WAAS.
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