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Publication of JPS4973015ApublicationCriticalpatent/JPS4973015A/ja
H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
H04B1/60—Supervising unattended repeaters
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Engineering & Computer Science
(AREA)
Computer Networks & Wireless Communication
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Signal Processing
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Radio Relay Systems
(AREA)
Monitoring And Testing Of Transmission In General
(AREA)