The ITU SpaceExplorer application (previously SNS Online service) allows users to consult the Space Networks Systems Database of the ITU Radiocommunication Bureau. The database, which is updated bi-weekly, contains the data items of Appendix 4 of the Radio Regulations related to geostationary and non-geostationary satellite systems, Earth stations and Radio astronomy stations. The application retrieves data such as: lists of notices; specific beams/antennas, frequencies, emissions, coordination information and Due Diligence publication data, among others. This service is an essential reference tool for national administrations, public and private telecommunication operating agencies, manufacturers, scientific/industrial entities, international organizations, consultants, technical colleges, universities, etc.
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