Description

TAD is a shipborne system designed to receive TV signals from land – based transmitting centers. TAD consists of two slewing antenna devices with directional reception antennas installed on both sides of the ship.
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Basic Specifications

  • The system provides stable reception from a land – based television transmitter while the ship is lying at anchor. After the ship stops, the operator points the system to the transmitting center.
  • Depending on the orientation of the ship, the signal from the transmitting center can be received by either antenna, or both.
  • The TAD system was developed with strict requirements to protect it from external influences.
  • Antenna turning rate – 10 ± 2 angular degrees/sec
  • Immunity to ex ternal influences.
  • rolling (with the period of 12—13 sec) – ±20 angular degrees
  • pitching (with the period of 6—8 sec) – ±15 angular degrees
  • awing (with the period of 60 sec) – ±5 angular degrees