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Standards Development
This generic EMC emission standard is applicable only if no relevant dedicated product or product family EMC emission standard has been published.
This part of IEC 61000 for emission requirements applies to electrical and electronic equipment intended for use in low Earth orbit (see 3.1.5).
The radiated emission requirements in this document are not intended to be applicable to the intentional transmissions and their harmonics from a radio transmitter as defined by the ITU.
Not all disturbance phenomena have been included for testing purposes but only those considered relevant for the equipment intended to operate within the locations included within this document.
The objectives of this document are:
a) to establish requirements that provide an adequate level of protection of radio reception in the frequency range 9 kHz to 400 GHz;
b) to establish requirements that provide an adequate level of protection against radiated electromagnetic disturbances emitted by equipment in the scope of this document;
c) to support the reproducibility of measurement and the repeatability of results.
NOTE 1 Disturbances generated in fault conditions of equipment are not covered by this document.
In the meeting of CISPR/H/WG1 in Singapore January 2026 the CRAF (Committee on Radio Astronomy Frequencies) representative informed on an observed impact of an increasing number of satellites in low Earth orbit for ground-based radio astronomy. She showed data and research results on the disturbance potential currently observed by different kinds of constellations.
NOTE: Low Earth orbit is the region of space extending from 160 km to 2 000 km above the Earth’s surface.
Radio astronomy is of crucial meaning for modern society. It provides essential, high-precision data for fundamental physics, fosters global technological collaboration and drives innovation through technology transfer.
By IEC Guide 107 generic EMC standards are organized in different electromagnetic environments. Up to now, no generic EMC standard exists for the electromagnetic environment “low Earth orbit”.
After discussion on different options to approach the issue, the group decided to initiate the project of a dedicated horizontal generic emission standard for the new electromagnetic environment “low Earth orbit”.
The attached draft was provided by CRAF and jointly edited in the meeting CISPR/H/WG1.
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