---
name: "gcb"
section: "1"
platform: "linux"
package: "gcb"
version: "1:1.07-3"
release: "Debian 8 (Jessie)"
platforms: ["linux"]
url: "https://new.carta.tech/gcb"
---

# gcb(1)

calculate long and short path to a location

## NAME

gcb - calculate long and short path to a location

## SYNOPSIS

**gcb units station1 station2**

## DESCRIPTION

**Gcb** computes long/short path distance and heading  given the latitude and longitude (degrees and minutes). You must input the lat/long of the two stations. The output will then be relative from station1 to station2.

Input the two station lat/longs using the following format: ddd.mmHddd.mmG, lead/lagging zeros can be left out.

d = Degrees, m = Minutes, H = Hemisphere (N or S), G = Greenwich (W or E)

Units is 'n' for Nautical, 'k' for kilometers, and 's' for Statute.

## EXAMPLES

gcb n 35.19n97.27w 0s0e           (Moore to Prime/Equator)

gcb n 35.19N97.27W 38.51n77.02W   (Moore to Washington D.C., mixed case)

gcb n 33.56n118.24w 55.45n37.35e  (L.A. to Moscow)

gcb n 35N70W 35N71W		 (No decimal points used, all uppercase)

## SEE ALSO

/usr/share/doc/gcb/README.debian

## AUTHOR

This manual page was written by Joop Stakenborg \<pa3aba@debian.org\>, for the Debian GNU/Linux system.