US PATENT SUBCLASS 455 / FOR 111
.~.~.~.~ Due to weather attenuation (455/52.2)

Current as of: June, 1999
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455 /   HD   TELECOMMUNICATIONS

899  DF  MISCELLANEOUS {5}
FOR 106  DF  .~ Plural transmitters or receivers (i.e., more than two stations) (455/49.1) {4}
FOR 107  DF  .~.~ Noise, distortion, or singing reduction (455/50.1) {2}
FOR 110  DF  .~.~.~ Fading compensation (455/52.1) {2}
FOR 111.~.~.~.~ Due to weather attenuation (455/52.2)

DEFINITION

Classification: 455/FOR.111

Due to weather attenuation:

Foreign art collection wherein the variation or attenuation in amplitude of the received modulated carrier wave is due to conditions, such as: rain, snow, or disturbances in the upper atmosphere, which scatter the signals.