BS 4809:1972
Specification for radio interference limits and measurements for radio frequency heating equipment
Prescribes limits of, and methods of measurements for, radio interference from equipment using heating provided by the generation of radio frequency energy. Intended to provide protection of normal radio and TV broadcasting services in the frequency range 0.15 MHz to 1000 MHz. Does not cover electromedical apparatus, r.f. excited welders or scientific apparatus.
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