The 57A microwave path protection system: An automatic switching system for transmission protection of microwave radio-relay systems
Transactions of the American Institute of Electrical Engineers Part I Communication and Electronics
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1961 ◽
Vol 79
(6)
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pp. 654-659
Keyword(s):
1996 ◽
Vol 11
(4)
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pp. 2024-2030
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1981 ◽
Vol EMC-23
(3)
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pp. 256-259