Low-elevation skymapping at 2.45 Ghz

[Tyler Durden]

Do optical mirrors still work in the microwave regime? I have no idea.
-TD


>From: "Major Variola (ret)" <mv at cdc.gov>
>To: "cypherpunks at al-qaeda.net" <cypherpunks at al-qaeda.net>
>Subject: Low-elevation skymapping at 2.45 Ghz
>Date: Tue, 15 Jun 2004 15:09:26 -0700
>
>Telescopes are sold for < $200 which include
>programmable positioning devices (2 axes obvioiusly).  I suppose
>its just a reduction drive and the usual electro-mech-control stuff but
>it implies a high degree of angular resolution for cheap. Has anyone:
>
>1. ever used the refractor type telescope tube as-is as a super-long
>pringles directional
>802.11 antenna?   In fact the front optics may not interfere...
>
>2. ever used the electronically controlled mount on a steady platform
>and a highly directional antenna (dishes included) to really see
>what the world really looks like at 2.mumble Ghz passive with
>an 802.11 decoder?   I mean, radio astronomers do detailed
>sky surveys all the time.  Why restrict yourself to the sky?
>
>(Yes, I realize our friends at Ft Meade have probably been using
>scanning-tunnelling-microscope type piezo-servo actuators to
>keep a steady gaze for some time..)
>
>
>
>

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