Difference between revisions of "AIS"

Revision as of 08:15, 27 September 2025

AIS sources

webSDR

Many stations allow AIS tuning, see Map of SDR Receivers. On Windows, virtual audio cable and AISmon works well.

• Bremerhaven, DE http://dl1bir.spdns.de:8073/#freq=161975000,mod=wfm,sql=-150
• Vlissingen, NL http://sdrpa3bbl.duckdns.org:1500/#freq=161975000,mod=wfm,sql=-150
• London, GB http://maritime.nkpa.co.uk:8073/#freq=161975000,mod=wfm,sql=-150

!AIVDM,1,1,,,8vjHWT@0Gh0TN1N>vCC0Qi0lnPAL`GFigwl?wnSwe7wvlOwwsAwwnSGmwvh0,0*57 {"class":"AIS","device":"stdin","type":8,"repeat":3,"mmsi":992356241,"scaled":true,"dac":1,"fid":31,"lat":51.4643,"lon":0.3112,"accuracy":false,"timestamp":"26T12:02Z","wspeed":14,"wgust":16,"wdir":105,"wgustdir":360,"humidity":74,"airtemp":13.9,"dewpoint":9.3,"pressure":1015,"pressuretend":"N/A","visgreater":false,"visibility":12.7,"waterlevel":30.0,"leveltrend":"N/A","cspeed":25.5,"cdir":360,"cspeed2":25.5,"cdir2":360,"cdepth2":31,"cspeed3":25.5,"cdir3":360,"cdepth3":31,"waveheight":25.5,"waveperiod":63,"wavedir":360,"swellheight":25.5,"swellperiod":63,"swelldir":360,"seastate":13,"watertemp":50.1,"preciptype":"N/A","salinity":51.0,"ice":"N/A"}

!AIVDM,1,1,,,8vjHWR00Gh05I1NBtkC0gwvlFR06EuOwgrVWwnSwe7wvlOwwsAwwnSGmwvh0,0*09 {"class":"AIS","device":"stdin","type":8,"repeat":3,"mmsi":992356232,"scaled":true,"dac":1,"fid":31,"lat":51.4982,"lon":0.0460,"accuracy":false,"timestamp":"26T12:02Z","wspeed":127,"wgust":127,"wdir":360,"wgustdir":360,"humidity":101,"airtemp":-102.4,"dewpoint":50.1,"pressure":1310,"pressuretend":"N/A","visgreater":false,"visibility":12.7,"waterlevel":3.3,"leveltrend":"N/A","cspeed":25.5,"cdir":360,"cspeed2":25.5,"cdir2":360,"cdepth2":31,"cspeed3":25.5,"cdir3":360,"cdepth3":31,"waveheight":25.5,"waveperiod":63,"wavedir":360,"swellheight":25.5,"swellperiod":63,"swelldir":360,"seastate":13,"watertemp":50.1,"preciptype":"N/A","salinity":51.0,"ice":"N/A"}

!AIVDM,1,1,,,8vjHWQ00GwwJlAN>g;C0gwvlFR06EuOwgquOwnSwe7wvlOwwsAwwnSGmwvh0,0*7F {"class":"AIS","device":"stdin","type":8,"repeat":3,"mmsi":992356228,"scaled":true,"dac":1,"fid":31,"lat":51.4623,"lon":-0.3173,"accuracy":false,"timestamp":"26T12:02Z","wspeed":127,"wgust":127,"wdir":360,"wgustdir":360,"humidity":101,"airtemp":-102.4,"dewpoint":50.1,"pressure":1310,"pressuretend":"N/A","visgreater":false,"visibility":12.7,"waterlevel":0.0,"leveltrend":"N/A","cspeed":25.5,"cdir":360,"cspeed2":25.5,"cdir2":360,"cdepth2":31,"cspeed3":25.5,"cdir3":360,"cdepth3":31,"waveheight":25.5,"waveperiod":63,"wavedir":360,"swellheight":25.5,"swellperiod":63,"swelldir":360,"seastate":13,"watertemp":50.1,"preciptype":"N/A","salinity":51.0,"ice":"N/A"}

!AIVDM,1,1,,,8vjHWPh0Gh0f1aN<:SC0wwvlFR06EuOwgreGwnSwe7wvlOwwsAwwnSGmwvh0,0*13 {"class":"AIS","device":"stdin","type":8,"repeat":3,"mmsi":992356227,"scaled":true,"dac":1,"fid":31,"lat":51.4403,"lon":0.3927,"accuracy":false,"timestamp":"26T12:03Z","wspeed":127,"wgust":127,"wdir":360,"wgustdir":360,"humidity":101,"airtemp":-102.4,"dewpoint":50.1,"pressure":1310,"pressuretend":"N/A","visgreater":false,"visibility":12.7,"waterlevel":3.9,"leveltrend":"N/A","cspeed":25.5,"cdir":360,"cspeed2":25.5,"cdir2":360,"cdepth2":31,"cspeed3":25.5,"cdir3":360,"cdepth3":31,"waveheight":25.5,"waveperiod":63,"wavedir":360,"swellheight":25.5,"swellperiod":63,"swelldir":360,"seastate":13,"watertemp":50.1,"preciptype":"N/A","salinity":51.0,"ice":"N/A"}

• Edinburgh, GB https://websdr2.scotlandchat.co.uk/#freq=161975000,mod=wfm,sql=-150

!AIVDM,2,1,7,A,8>jHE700Gwr7HIVSwS;JPwtqFPC3b2o;gwl>0Dt1R9@1`b0PSb0>:gB;wvv00000,0*77 !AIVDM,2,2,7,A,001,0*20 {"class":"AIS","device":"stdin","type":8,"repeat":0,"mmsi":992351516,"scaled":true,"dac":1,"fid":31,"lat":56.0127,"lon":-3.2138,"accuracy":false,"timestamp":"25T13:42Z","wspeed":7,"wgust":127,"wdir":114,"wgustdir":360,"humidity":58,"airtemp":15.2,"dewpoint":-50.1,"pressure":1028,"pressuretend":"N/A","visgreater":false,"visibility":12.7,"waterlevel":30.0,"leveltrend":"N/A","cspeed":0.0,"cdir":335,"cspeed2":0.1,"cdir2":273,"cdepth2":5,"cspeed3":0.0,"cdir3":209,"cdepth3":10,"waveheight":0.2,"waveperiod":2,"wavedir":117,"swellheight":0.0,"swellperiod":28,"swelldir":171,"seastate":13,"watertemp":13.9,"preciptype":"N/A","salinity":51.0,"ice":"N/A"}

• Malaga, ES http://ea7cl.duckdns.org:8073/#freq=161975000,mod=wfm,sql=-150
• Kalamata, GR http://sv3smg.ddns.net:8073/#freq=162025000,mod=wfm,sql=-150
• Mangalia, RO http://yo4cil.home.ro:8073/#freq=161975000,mod=wfm,sql=-150
• Sydney, AUS http://meryl.ddns.net:8073/#freq=161975000,mod=wfm,sql=-150
• ...

NMEA

AIShub used to offer a NMEA stream of all connected stations as a benefit for their contributors. From mid 2024 on, this service retired.

• https://www.aishub.net

Norway

Stream is filtered. Missing message types: 4/...

• https://www.kystverket.no/en/sea-transport-and-ports/ais/access-to-ais-data/
  • tcp://153.44.253.27:5631

Florida

Reception area is limited.

• http://ssia-ais.erau.edu/
  • tcp://ssia-ais.erau.edu:4000

AIS-catcher sites

• https://kx1t.com/ais
  • curl -s https://kx1t.com/ais/api/sse |grep 'data:' | awk '{print $2}'
• https://mgoorman.nl
• http://anz-ais.ddns.net:8100
• https://www.aiscatcher.org/wageningen/
• https://big-g.co.uk/ais/
• ...

API

• https://www.aishub.net
• https://aisstream.io
  • wscat -c wss://stream.aisstream.io/v0/stream -w 300 -x '{"APIKey": "***", "BoundingBoxes": [[[-180, -90],[180, 90]]], "FilterMessageTypes":["SafetyBroadcastMessage","LongRangeAisBroadcastMessage","BinaryBroadcastMessage","GroupAssignmentCommand"]}'

Historic

• ...

AIS decoders

Ais Decoder

• https://arundaleais.github.io/docs/ais/ais_decoder.html (WIN)

gpsdecode

• https://gpsd.gitlab.io/gpsd/gpsdecode.html
• nc 153.44.253.27 5631 | gpsdecode | grep '"type":8'

{"class":"AIS","device":"stdin","type":8,"repeat":0,"mmsi":257057800,"scaled":true,
"dac":200,"fid":10,"vin":"00000000","length":215,"beam":60,"shiptype":8440,"shiptype_text":"Illegal ship type value.",
"hazard":5,"hazard_text":"Unknown","draught":0,"loaded":0,"loaded_text":"N/A (default)",
"speed_q":false,"course_q":false,"heading_q":false}

{"class":"AIS","device":"stdin","type":8,"repeat":0,"mmsi":215349000,"scaled":true,"dac":1,"fid":27,"linkage":90,"sender":0,"rtype":5,"rtype_text":"Ship route plan","start":"00-00T24:60Z","duration":262143,"waypoints":[{"lon":7.107972,"lat":62.844255},{"lon":7.112132,"lat":62.848032}]}

{"class":"AIS","device":"stdin","type":8,"repeat":0,"mmsi":215349000,"scaled":true,"dac":1,"fid":29,"linkage":90,"text":"LESSREMMAN - ELNES (VIA RORVIK; OUTSIDE) CAPT YURI"}

• nc ssia-ais.erau.edu 4000 | gpsdecode | -e grep '"type":8' -e grep '"type":27'

{"class":"AIS","device":"stdin","type":27,"repeat":0,"mmsi":368429323,"scaled":true,"status":"Not defined","accuracy":true,"lon":-81.0,"lat":29.2,"speed":0,"course":511,"raim":true,"gnss":false}

{"class":"AIS","device":"stdin","type":8,"repeat":0,"mmsi":369493715,"scaled":true,"dac":366,"fid":56,"data":"256:a83746ce99bb9edbd3eebb88bb7dcecba01df41d94f9397136c0c97eb4af8d69"}

pyais

• https://github.com/M0r13n/pyais
• pipx install pyais
• pipx ensurepath
• nc 153.44.253.27 5631 | ais-decode --json | grep '"msg_type": 8'

{"msg_type": 8, "repeat": 0, "mmsi": 257057800, 
"dac": 200, "fid": 10, "vin": "00000000", "length": 21.5, "beam": 6.0, "shiptype": 8440, 
"hazard": 5, "draught": 0.0, "loaded": 0, 
"speed_q": false, "course_q": false, "heading_q": false}

{"msg_type": 8, "repeat": 0, "mmsi": 215349000, "dac": 1, "fid": 27, 
"data": "FwFAGPP//3ggjnij9kTwQREIR+t9QIGPWI/RpYEAV0kfnN4B/oNCP0lbA/56ZH7oMAfMqQkAPXgPnOUSBujgIEAnJCF1QEOc0Uhdt0CLKQCQxYXBGjYZIXqkAkLbgkK4VwS3FHSHEE4JngLpEMz8"}

{"msg_type": 8, "repeat": 0, "mmsi": 215349000, "dac": 1, "fid": 29, "data": "FwUw4VOC2BYVIQEyChYkGAdIlCnI"}

aisdecode

• https://github.com/madpsy/aisdecode/
• ./aisdecode-linux-amd64 -log-all-decodes decoded

AIS-catcher

• input: https://docs.aiscatcher.org/configuration/input/tcp/
• output: https://docs.aiscatcher.org/configuration/output/console/
• web view: https://docs.aiscatcher.org/configuration/output/web-viewer/
• AIS-catcher -t txt://153.44.253.27:5631 -o 5 -N 8101 GEOJSON false MESSAGE true REALTIME false