GMDSS. Systems. Test 7
GMDSS. Systems. Test 7
The emergency battery of a GMDDS portophone:
A MMSI number consist of:
The accuracy of an Inmarsat-E positioning-system is:
Under GMDSS which VHF channel is used for Digital Selective Calling (DSC)?
Identification of a ship station is amongst others done by an:
The emergency-battery of a GMDDS-portophone:
Polarisation of a radio wave means:
The identification of a coast station is composed as follows:
On which frequency are navigational and meteorological messages normally sent on the NAVTEX system?
The prescribed test of an approved portable VHF radio set (portophone) must be done once a:
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