Artificial ionospheric mirror composed of a plasma layer which c

Details Artificial ionospheric mirror composed of a plasma layer which c Artificial ionospheric mirror composed of a plasma layer which c

1990-05-17

1991-08-20

Issing, Gregory C.

Communications: directive radio wave systems and devices (e.g.,

Directive

Including directive communication system

342372, H04B 700, H01Q 322

Patent

active

050418343

ABSTRACT:
This invention relates to generation of a Artificial Ionospheric Mirror (AIM), or a plasma layer in the atmosphere. The AIM is used like the ionosphere to reflect RF energy over great distances. A tiltable AIM is created by a heater antenna controlled in phase and frequency. The heater antenna phase shift scans a beam to paint a plasma layer. Frequency is changed to refocus at continually higher altitudes to tilt the plasma layer.

REFERENCES:
patent: 3445844 (1969-05-01), Grossi et al.
patent: 4253190 (1981-02-01), Csonka
patent: 4686605 (1987-08-01), Eastlund
patent: 4712155 (1987-12-01), Eastlund et al.
patent: 4817495 (1989-04-01), Drobot

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