Specification for radio disturbance and immunity measuring apparatus and methods - Part 1-5: Radio disturbance and immunity measuring apparatus - Antenna calibration sites and reference test sites for 5 MHz to 18 GHz

This technical specification outlines the essential requirements and procedures for establishing calibration facilities and reference test sites dedicated to electromagnetic compatibility assessments within the frequency range of 5 MHz to 18 GHz. It provides a comprehensive framework for ensuring the accuracy and reliability of measurement equipment used to evaluate radiated emissions and radiated immunity in various electronic products. The document details the constructional requirements for test environments, including semi-anechoic chambers and open test sites, as well as the verification methods necessary to validate their performance against established criteria. It specifies the dimensions, materials, and layout configurations required to minimize external interference and ensure consistent measurement results. The guidelines address the calibration of antennas and other receiving systems, establishing a standardized approach for verifying the spatial characteristics of the test facility. By adhering to these guidelines, laboratories can achieve uniformity in testing procedures, facilitating the comparison of data across different facilities and ensuring compliance with broader regulatory frameworks regarding electromagnetic compatibility. This specification serves as a foundational reference for engineers and technicians involved in the design and operation of electromagnetic testing infrastructure.