Description Usage Arguments Details Value Author(s) Examples

Calculates the euclidean distance between two british national grid reference points using the pythagorean method

1 | ```
NGRDist(i, j)
``` |

`i` |
a numeric vector of length two. The first being the easting and the second being the northing of the first site |

`j` |
a numeric vector of length two. The first being the easting and the second being the northing of the second site |

Note, that the result is converted to km when six digits are used for easting and northing, when six digits would usually provide a result in metres.

A distance in kilometres (if six digits for easting and northing are used)

Anthony Hammond

1 2 3 4 5 6 |

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