Communications and microwave: Orbit and spectrum congestion; tests for electronic mail; phone by light
- 1 January 1980
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Spectrum
- Vol. 17 (1) , 38-43
- https://doi.org/10.1109/MSPEC.1980.6330223
Abstract
Discusses orbit and spectrum congestion, US postal service electronic message system experiments and optical fibre telephone system development.Keywords
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