Unrecognised message type: GroupAssignmentCommand

[tkreyche]

GroupAssignmentCommand does not appear to be implemented.

This message:
"!AIVDM,1,1,,B,GM3NJTo9MWGe<6::LQCW3CiE9fl,2*4C"

threw the error:
AisParser.AisMessageException: 'Unrecognised message type: GroupAssignmentCommand'

I'll see if I can get some time to write some code to handle it, but it's not very important....would be more for sake of completeness. Per https://gpsd.gitlab.io/gpsd/AIVDM.html#_type_23_group_assignment_command:

"This message is intended to be broadcast by a competent authority (an AIS network-control base station) to set operational parameters for all mobile stations in an AIS coverage region. Length is 160 bits.

This message contains no navigational information, and is unlikely to be of interest unless you are implementing or studying an AIS base station network."