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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