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: M.690-0 (06/90) |
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| M.690�:�Transmission characteristics of emergency position-indicating radio beacons (EPIRBs) operating on carrier frequencies of 121.5 MHz and 243 MHz
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Recommendation M.690-0 (06/90)
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Approved in 1990-06-01
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Status : Superseded
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| English |
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7937 bytes |
2001-06-01
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E�60000� |
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8590 bytes |
2001-06-01
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S�60000� |
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8439 bytes |
2001-06-01
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