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EN 303 363-1 V1.1.1 Standard

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  Keywords:

#document #frequency #present #mhz #ssr

  Directive

Radio equipment Directive (2014/53/EU)

  Last Official Journal reference

Friday 4th of September 2026

  Description:

Air Traffic Control Surveillance Radar Sensors; Secondary Surveillance Radar (SSR); Harmonised Standard for access to radio spectrum; Part 1: SSR Interrogator

  Purpose

The present document specifies technical characteristics and methods of measurements for the following equipment used in ground-based ATC Secondary Surveillance Radar systems for civil air navigation.Secondary Surveillance Radar (SSR) with Mode S capabilities which includes mode A/C, transmitting in the 1 030 MHz band with a power not exceeding 4 kW (66 dBm), and receiving in the 1 090 MHz band, used for air traffic control and connected to a rotating antenna. The SSR Interrogator transmits interrogations to aircraft equipped with transponder, receives the corresponding replies, and operates in the frequency bands as indicated in Table 1.Table 1: SSR interrogator service frequency bandsSignals; Service frequency bandsTransmitted; signals 1 030 MHzReceived signals; 1 090 MHzNOTE 1: The relationship between the present document and essential requirements of article 3.2 of Directive 2014/53/EU is given in Annex A.NOTE 2: Systems making use of an electronic scanned antenna are not covered by the present document.

  Publication

Friday 11th of November 2022

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