[at-l] Snowbird Mountain-upon further reflection

[lwbooher@halifax.com (Leslie Booher)]

Has anyone asked Robert Rubin about this?  Don't you think he could find out
for us?  I'll e-mail him and see.  That'll be my project for tonight.
anklebear

----- Original Message -----
From: <MySaabRocks@aol.com>
To: <at-l@mailman.backcountry.net>
Sent: Saturday, February 16, 2002 4:01 PM
Subject: [at-l] Snowbird Mountain-upon further reflection


> In a follow-up to my earlier message, it occurred to me that the signal
the
> FAA tower puts out is very strong and is probably not affected much by the
> surrounding plant life.  I don't know very much about the FAA Air Traffic
> Control system, but I do know that it's controllers can identify which
planes
> are in the air.  The aircraft transmit signals which probably are picked
up
> by the towers.  Now these signals are much weaker than the tower's output
> signal, especially in small private aircraft, and probably it is the
signal
> generated by the aircraft that can't be received by the towers because of
RF
> absorption by the leaves.  I would think this would be vector specific.
For
> instance, with heavy growth on the East side of the tower, as a plane
flies
> overhead West to East, you may lose track of it at some point in it's
flight
> eastward.  Imagine the consternation caused when a controller looses an
> aircraft on his screen!  Especially when there is other traffic in the
area.
> Mid air collisions can be the start of a real bad hair day!
>
>
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