Capability reply

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
Message number: 
6
DAC: 
1
FI: 
4
State: 
in force
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