This is a package that provides functionality for using acoustic ranging and NMEA GNSS feeds to survey in the locations of ocean bottom instruments.
The latest official version is available on GitHub: NevPalmer/ob_inst_survey.
NFSI staff have made various modifications to this package which have not yet been incorporated in the official release. Our version can be found here: nfsi-canada/ob_inst_survey
- Python 3.9+
- matplotlib
- numpy
- scipy
- pandas
- cartopy
- pyproj
- Range less than 50m
- Range less than a priori water depth
- Range greater than 1.6x a priori water depth (offset angle >51°)
- Residual greater than 3x standard error at any iteration of trilateration calculation