US PATENT SUBCLASS 455 / 505
.~.~.~.~ Due to weather

Current as of: June, 1999
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39  DF  TRANSMITTER AND RECEIVER AT SEPARATE STATIONS {14}
500  DF  .~ Plural transmitters or receivers (i.e., more than two stations) {4}
501  DF  .~.~ Noise, distortion, or singing reduction {2}
504  DF  .~.~.~ Fading compensation {2}
505.~.~.~.~ Due to weather

DEFINITION

Classification: 455/505

Due to weather:

(under subclass 504) Subject matter wherein the undesired variation in amplitude of a received modulated carrier wave is due to conditions such as: rain, snow, or disturbances in the upper atmosphere, which scatter the signals.