Input required lat and long of the map centre. If your data is in decimal degrees format, e.g. 45.123 deg North, 123.456 deg east, you may input using degrees only and leave the minutes boxes blank. See Degrees-minutes-seconds-calculator
Example quick views:
Started 29 March 2007, amended 23 July 2011. All pages on this site are Copyright Satellite Signals Limited (c) 2007 all rights reserved. Upgraded to V3 with key 10 Dec 2012, updated for use with smaller screens 20 July 2015.