[time-nuts] frying pan antenna

Bruce Griffiths bruce.griffiths at xtra.co.nz
Tue Mar 16 11:39:17 UTC 2010


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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