Mike
Perhaps a single antenna element from the phased array in the following
JPL paper would be useful:
http://trs-new.jpl.nasa.gov/dspace/bitstream/2014/12178/1/01-0082.pdf
Bruce
Mike Naruta AA8K wrote:
True Bruce. Alas, those trees to the West are matched by
trees to the East. Power lines run in front of the house
to the South. And the towers, guy wires, and wire antennae
are to the North in the back yard. It's like looking up
a funnel to see the satellites.
I have another Motorola patch under the roof that also works.
What is the dielectric of wood sheathing and asphalt shingles?
I may try the cake pans on the inside one; not much snow
inside the attic. :)
Mike - AA8K
Bruce Griffiths wrote:
A pity that the GPS receiver elevation mask can't generally be made
to be azimuth dependent.
You could then have a higher elevation limit in the direction of
those trees.
However, it is possible in principle with an M12+T, M12M T or similar
timing receiver which provides the relative timing contribution of
each SV to the solution, to back out the contribution of a given SV
and compute the corresponding timing correction for software
correction of the PPS pulse timing.
Bruce
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