...
Marlborough managed tide stations are located at:
Okukari Bay Motuara Island (-41.201612°093883°, 174.311423°271459°)Motuara Island
Okukari Bay (-41.093883°201612°, 174.271459°311423°)
Te Weka (-41.249400°, 174.192815°)
AIS Messages
Stations transmit AIS messages 21 and 8 once every six minutes on each channel, offset by three minutes. Message 21 reports the station name and coordinates. Message 8 reports a composite tide height that considers inputs from both pressure and radar sensors.
NMEA Messages
The sensor types are:
D = Linear Displacement
The units are:
M = Meters
The sensor names are:
HTIDE = Tide Height
SDTID = Tide Height Standard Deviation
Data is available for:
Motuara Island on port 45060
Okukari Bay on port 45061
Te Weka on port 45062
Code Block |
---|
$WIXDR,D,1.148,M,HTIDE,D,0.016,M,SDTID,*6D |
JSON Messages
More complete data is available via JSON messages, available on request. Message format is:
Code Block | ||
---|---|---|
| ||
{ "sensor_id": "pcn.motuara.tidestation.1", "timestamp": "20212022-1103-30T1709T04:1020:00Z", "measurement_id": "86989b1728e01e3b-99841a73-00989c2e-7febd16c-b20f23e60dfc29aba7cb9125", "tide_height": 10.123734, "tide_height_sd": 0.015022, "measurement_type": "pressure_sensor", "pressure_measure": 21.262871, "pressure_measure_sd": 0.015022, "radarais_water_rangelevel": null, "radar_level": null0.753, "radar_level_sd": null0.001538, "radar_statusrange": "offline"1.821, "radar_signal_strengthstatus": null"0", "aisradar_watersignal_levelstrength": null, "ais_timestamp": null } |