[time-nuts] Sub mm measurements with gps timing antennas?

Attila Kinali attila at kinali.ch
Wed Apr 25 19:52:37 UTC 2012


On Wed, 25 Apr 2012 12:29:59 -0700
Chris Albertson <albertson.chris at gmail.com> wrote:

> 1) You could use a choke ring if you were willing to build a large size
> conical cover or (say) fiberglass

I thought about that... customer doesn't seem to like it.
 
> 2) Seems that you might want a much taller mast for you solar cells.  If
> they are covered by a meter of snal make the mast a meter taller,

The panels are not on a mast but mounted on walls and nearby boulders.
For one thing they are too heavy for a mast (think about a mast you can
carry alone in 3000m height and deep snow), for another the whole thing
would be taken apart by the wind in the first thunderstorm. Did i already
mention the harsh environment? ;-)


> 3) This would take quite a bit of physical work but you can always find a
> stable temperature if you are willing to dig or drill a deep enough hole.

You don't drill into permafrost. Not unless you really have to.
If you are lucky and you have just frozen soil, you only have to deal
with something that has the mechanical properties of steal. If you
are unlucky and you are on a rock, you've to drill into granite with
small pockets of ice.


				Attila Kinali
-- 
Why does it take years to find the answers to
the questions one should have asked long ago?




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