Mapping tools

Finding the QRA of a site

http://k7fry.com/grid/ New site for finding locators to 10 character accuracy by clicking on a map.

Alternatively, try this site by F5UKW to find QRA locators from Google maps.

Lat and Long conversion

UK postcode to Lat and Long: https://www.freemaptools.com/convert-uk-postcode-to-lat-lng.htm

Google map based site to find Lat and Long, OS grid reference and address including post code: http://www.gridreferencefinder.com/

OS NGR to Lat and Long

Convert the OS map 10 digit reference such as TG51401317 to Lat and Long here: http://www.movable-type.co.uk/scripts/latlong-gridref.html

Topographic Google map

So exactly where are the highest sites near me? Use this Google map based site overlaid with height / topographic data to find out: http://en-gb.topographic-map.com/

Overlay OS maps

http://wtp2.appspot.com/wheresthepath.htm

Portable sites

Directory of portable sites Wiki pages describing some sites suitable for ATV and microwave operation

A Google map listing known portable sites - please add yours!

Finding line of sight paths

A very useful site with "click to see the path" https://www.solwise.co.uk/wireless-elevationtool.html