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atcrbs การใช้

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  • Mode S is designed to be fully backward compatible with existing ATCRBS technology.
  • The process is presented in ATC-65 " The ATCRBS Mode of DABS ".
  • In an airspace with multiple interrogation stations, ATCRBS transponders in aircraft can be overwhelmed.
  • With old ATCRBS technology, all aircraft within the beam pattern of the interrogating station will reply.
  • At a typical SSR radar installation, ATCRBS, IFF, and mode S interrogations will all be transmitted in an interlaced fashion.
  • This problem is however similar to the usage of ATCRBS / MSSR where false signals also are potentially dangerous ( uncorrelated secondary tracks ).
  • A few countries have mandated mode S, and many other countries, including the United States, have begun phasing out ATCRBS in favor of this system.
  • Mode S, or " mode select ", despite also being called a mode, is actually a radically improved system intended to replace ATCRBS altogether.
  • For 1090 ES, both TCAS and ATCRBS / MSSR are existing users of the channel . 1090 ES ADS-B must not reduce capacity of these existing systems.
  • Mode S, despite being called a replacement transponder system for ATCRBS, is actually a data packet protocol which can be used to augment ATCRBS transponder positioning equipment ( radar and TCAS ).
  • Mode S, despite being called a replacement transponder system for ATCRBS, is actually a data packet protocol which can be used to augment ATCRBS transponder positioning equipment ( radar and TCAS ).
  • As of 1973, the United States Federal Aviation Administration ( FAA ) standard for transponder minimal operational performance, Technical Standards Order ( TSO ) C74c, contained errors which affect both air traffic control radar beacon system ( ATCRBS ) radar and Traffic Collision Avoidance System ( TCAS ) abilities to detect aircraft transponders.
  • Two other modes, mode 4 and mode S, are not considered part of the ATCRBS system, but they use the same transmit and receive hardware . "'Mode 4 "'is used by military aircraft for the Identification Friend or Foe ( IFF ) system . "'Mode S "'is a discrete selective interrogation, rather than a general broadcast, that facilitates TCAS for civilian aircraft . Mode S transponders ignore interrogations not addressed with their unique identity code, reducing channel congestion.