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Time For a Quick Poll

October 14, 2014
Radar beam ducting

What if you are standing on the ground where that pulse is going?

http://www.ntia.doc.gov/files/ntia/publications/compendium/2700.00-2900.00_01MAR14-1.pdf

Page 10

“The peak power of the NEXRAD is 1 Megawatt (1×106 Watts) and it employs a directional antenna
with a mainbeam gain of 45 dBi; resulting in a transmitted signal power level of 32 Gigawatts”

How do we know the path of the beam all times?

Aside from when AP is seen on the radar, we don’t! To know the path of the beam would require us to know the exact composition of the moisture, temperature and pressure in the atmosphere, up to 70,000 feet, every minute or so, within about 240 miles of the radar and that capability does not exist.

From → Geophysics

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