Re: Coordinates of AIS targets

[Владимир Калачихин]

07.05.2023 13:45, Владимир Калачихин пишет:
> {"class":"AIS","device":"tcp://localhost:2222","type":27,"repeat":0,"mmsi":230941940,"scaled":false,"status":5,"accuracy":false,"lon":14954,"lat":36096,"speed":0,"course":31,"raim":false,"gnss":true}
> {"class":"AIS","device":"tcp://localhost:2222","type":18,"repeat":0,"mmsi":230108270,"scaled":false,"reserved":0,"speed":0,"accuracy":false,"lon":14977300,"lat":36102730,"course":1630,"heading":163,"second":0,"regional":0,"cs":true,"display":true,"dsc":false,"band":false,"msg22":false,"raim":false,"radio":917510}
> {"class":"AIS","device":"tcp://localhost:2222","type":27,"repeat":0,"mmsi":230108270,"scaled":false,"status":5,"accuracy":false,"lon":14977,"lat":36102,"speed":0,"course":16,"raim":false,"gnss":true}
> {"class":"AIS","device":"tcp://localhost:2222","type":18,"repeat":0,"mmsi":276829000,"scaled":false,"reserved":0,"speed":0,"accuracy":false,"lon":14948878,"lat":36088794,"course":2080,"heading":208,"second":0,"regional":0,"cs":true,"display":true,"dsc":false,"band":false,"msg22":false,"raim":false,"radio":917510}

Heh. Looks like gpsd doesn't try decode coordinates at all. These 
numbers are coordinates as it encoded in AIS sentences 18 and 27.

$ gpsd -V
gpsd: 3.22 (revision 3.22)



Владимир Калачихин