Introduction/Additional information:
This IFM should be used by a ship or a base station to reply to a capability interrogation message.
The reply contains a table of the implemented application identifiers.
This IFM should be returned to the interrogating station only.
Registrant:
ITU-R.M.1371-1
DAC:
1
FI:
4
State:
in force
Station link:
Number of slots (max):
1
Permitted as from:
01/01/1998
Details:
| Parameter | Number of bits | Description |
|---|---|---|
| IAI/DAC code | 10 | See Annex 2, Table 20 |
| Capability mask | 128 | IAI/DAC FI capability table, two consecutive bits should be used for every IAI/DAC FI as follows: first bit: IAI/DAC FI available if set to 1 IAI/DAC FI not available if set to 0 =default second bit: reserved for future use, such as version indication should be set to zero |
| Spare | 6 | Spare. Should be set to zero |
| Total number of bits | 80 |
Annex 2, Table 20
| DAC | Function identifier | Resulting application identifier (binary) | Resulting application identifier (hex) | Description |
|---|---|---|---|---|
| 1 | 0 | 0000 0000 0100 0000 | 40 | Use of these messages, e.g. for aids-to-navigation, VTS, search and rescue, should be as defined in Annex 5 |
| 1 | 1 | 0000 0000 0100 0001 | 41 | |
| 1 | 2 | 0000 0000 0100 0010 | 42 | |
| 1 | 3 | 0000 0000 0100 0011 | 43 | |
| 1 | … | 0000 0000 01XX XXXX | … | |
| 1 | 63 | 0000 0000 0111 1111 | 007F |
