Over the years both as a student and a QFI spent many hours watching the range needle swing hopelessly across the dial.
Re Tacan dives, all the UK Lightning stations had a dive circle a la Valley, started from Fl 360 and ended at point Alpha, 18 miles on the extended centre line of the main instrument runway for a pick up by ATC.
The Hopsten running rabbit saved me getting into a very embarrassing situation one day. On an actual diversion from Gutersloh, not a lot of fuel left, at 200ft nothing other than the unearthly glow from the lights just penetrating the murk but enough to get me further down to see the runway lights, DH--not a lot.