Dan Cresswell's repositories
IHO-S-44-Order-Specification-Calculator
[Not thoroughly tested] Hydrographic standards for uncertainty tolerance, bathymetric coverage, feature detection and feature search are often derived from IHO S-44, once an order has been established as a criteria. This script automates the calculation of specs based on said criteria, according to user defined min / max site water depth.
Whole-Circle-Bearing-Calculator
[Not thoroughly tested] Simple calculation of whole circle bearings based on two survey points, each with a respective Easting (m) and Northing (m) value.