SSH EN 301 489-55 V1.1.1:2025

ElectroMagnetic Compatibility (EMC) standard for radio equipment and services;Part 55: Specific conditions for ground based equipment for air navigation operating in the frequency range 960 MHz to 1 215 MHz;Harmonised Standard for ElectroMagnetic Compatibility

Scope

The present document specifies technical characteristics and methods of measurement in respect of ElectroMagnetic Compatibility (EMC) for the following equipment: • Secondary Surveillance Radar (SSR) interrogator; • SSR Far Field Monitor (FFM); • Multilateration (MLAT);
• Wide Area Multilateration (WAM); • Distance Measurement Equipment (DME) land station transponder; • Extended Squitter (ES) / Non Transponder (NT). operating in the frequency range 960 MHz to 1 215 MHz. The above mentioned radio equipment can be intended for use at a fixed location or mobile use.