I
Hydrographer of the Navy IRO
hydrometer .................................................................................................. 197
Hydrostatic Release Unit (HRU) 189
IAMSAR ........................................................................................................ 37
Manual .............................................................................. 1, 80, 211, 233
IMO ............................................................................................................. 212
Information Technology (IT) specialist ..................................................... 176
Inmarsat ................................................................... .................................... 212
communications network ..................................................................... 154
EGC service ........................................................................................... 161
EPIRBs .................................................................................................. 188
ID 156, 231
services 157
table ................................................................................................... 157
'to mobile' services ................................................................................ 156
Inmarsat Mini-M ................................................. ........... ................ 64, 65, 70
installations ............................................................................................. 172
services 171
Inmarsat-A ................................................................................. 1, 37, 65, 85
High Speed Data (HSD) ........................................................................ 66
installations ..... .......... ... .... ....... ........................... ............. .............. ... ...... 164
PC Telephone 62
PC Telephone, Fax and 'voice-band
data calls ............................................................................................. 61
PC Telex .................................................................................................. 66
urgency call ............................................................................................ 114
Inmarsat-A/lnmarsat-B
antenna .................................................................................................. 164
equipment set-up 169
telephone/telex procedures .................................................................. 167
tests and checks ...................................................................................... 171
Inmarsat-B .................................................................................. 1, 29, 65, 85
High Speed Data (HSD) ........................................................................ 66
installations ............................................................................................ 164
PC Fax and Data Calls ........................................................................... 65
PC Telephone Calls ................................................................................ 63
PC Telex .................................................................................................. 66
urgency call ............................................................................................ 114
Inmarsat-C ........................................................................................ 1, 37, 65
antenna radiation hazard ..................................................................... 163
installations ................................................................................... 158, 205
Messaging Services .................................................................................. 67
operation and controls .......................................................................... 159
position reporting/polling .................................................................... 162
ship-to-shore distress alerts ..................................................................... 87
store & forward communications ........................................................ 160
MARINE COMMUNICATIONS 247
