Satellite Geolocation for Animal Tracking

Description Usage Arguments Details Value

Estimate location from two consecutive twilights by a threshold method

1	coord(tFirst, tSecond, type, degElevation = -6)

`tFirst`	factor or character vector representing the times of the first twilight in the format "Y-m-d H:M:S".
`tSecond`	factor or character vector representing the times of the second twilight in the format "Y-m-d H:M:S".
`type`	vector with elements 1 or 2, defining the elements of `tFirst` as sunrise or sunset respectively.
`degElevation`	sun elevation angle (90-zenith).

This package and the GeoLight package provide some common functionality, but are based on different astronomical approximations. This function provides a drop-in replacement for the coord function from the GeoLight package to allow easy comparison of the two systems.

location estimates stored as a two column (lon,lat) matrix.

KateGoodenough/RoL-SGAT documentation built on June 11, 2019, 1:29 p.m.