Amateur radio station G0HEU & G0H
https://stephenhouser.com/qso-mapper
https://www.levinecentral.com/ham/grid_square.php
https://www.whatsmylocator.co.uk
https://www.f5len.org/tools/locator
Find QTH locator
https://ns6t.net/azimuth/azimuth.html