digital

  1. M

    1970s Early Digital Weather Radar AlliedSignal RDS81 Historical Operator, Install and Maintenance Manual including wiring diagram

    RDS-81 is an old-style digital weather radar in the 1970s, began to be replaced by RDR-2000 in 1995. RDS-81 is a type of pulse-doppler digital radar, which could not only detect clouds and thunderstorm, but also could detect terrirans, and could be used to navigation. Transmitter Peak Power...
  2. Micdrow

    Digital Public Books

    These are books made by different Digital archives for public distribution. Enjoy!!!
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