Abstract
Radiated electromagnetic emissions from modern electric transportation systems are subject to requirements for their assessment aiming at a general compatibility with radio services. Standards known, recalled and enforced at contractual level narrow to CENELEC EN 50121 (equivalent to IEC 62236) and UMTA 85 and successive integrations. This work synthesizes similarities and differences for the methods and the required system operation, highlighting the areas where improvements are possible and opportune. Correct interpretation of narrowband and broadband phenomena, assignment of sweep time, statistical post processing and evaluation of site/setup uncertainty and repeatability are examples of considered issues that deserve more attention by the railway standardization bodies.
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