401到530张大雅

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401到530张大雅

If EGC receiver shares a same antenna with Inmarsat SES, it mean

2023-12-01401到530张大雅

What is the least expensive per-minute call made via INMARSAT St

2023-12-01401到530张大雅

Maritime Safety Information______ International SafetyNet Servic

2023-12-01401到530张大雅

Both the satellite communication and the terrestrial communicati

2023-12-01401到530张大雅

The present INMARSAT system_____ geostationary satellites positi

2023-12-01401到530张大雅

Each ship station has its own unique_____ MMSI which is included

2023-12-01401到530张大雅

Every ship shall carry personnel qualified for to the satisfacti

2023-12-01401到530张大雅

EPIRB batteries must be clegrly______with their expiry date,thes

2023-12-01401到530张大雅

If aship happens to be in distress in Area A4,_______EPIRB is to

2023-12-01401到530张大雅

In case a ship is in emergency or distress in any of 4 areas, it

2023-12-01401到530张大雅

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