The heave sensor records the vertical motion of the vessel. Although the heave sensor has its own section in the Vessel Editor, it is part of the same sensor package as Pitch and Roll in most survey configurations.
1. Click Heave in the Sensors list to highlight the selection and display the data fields.
2. Type data (as needed) in the following fields:
• Date: The year and Julian day of the current heave sensor time stamp.
• Time: The hour and minute of the current heave sensor time stamp.
• Time Correction: The time correction value.
The X-Y-Z fields set the location of the heave sensor from the Reference Position (0).
The X‑Y‑Z location of the heave sensor must be defined ONLY when you intend to apply heave data during Merge AND when remote heave compensation is necessary.
• X: The athwart-ship distance of the sensor, positive to starboard.
• Y: The along-ship distance of the sensor, positive to the bow.
• Z: The vertical distance of the sensor, positive into the water.
• Error: The applied instantaneous values for the heave sensor are computed by subtracting the appropriate errors from the recorded values:
Applied Heave = Recorded Heave - Heave Error.
• Apply: Select Yes to apply heave data in the merge process.
• Manufacturer: The maker of the sensor equipment.
• Model: The particular make of sensor equipment.
• Serial Number: The serial number of the sensor equipment.
The location of the heave sensor is shown in the Vessel Editor by a coloured dot.
Kongsberg systems apply dynamic Heave, Pitch, and Roll values to the swath data during survey. Therefore, the HVF must be set up with the Apply switches for Heave, Pitch, and Roll set to '”No” so these values are not applied twice. |