Ofcom's Baldock receiving station is advertising an open day on 28 July - https://build.falcon.io/-KoldM1TwMd2aXSQNdyQ/ https://build.falcon.io/-KoldM1TwMd2aXSQNdyQ/
Seems to be mainly aimed at schoolchildren, but it could be a chance to learn more about their work.
I've never visited the station, but have driven past it many times over the past decades. I've noticed big changes over the years, with new buildings, satellite dishes, etc added to what looked in the 1980s like a very modest-sized operation.
Now apparently they use drones - presumably carrying receivers.
Baldock also carry out lots of HF monitoring (unlike BBCM?) as published in the ITU quarterly frequency files, e.g.
(via BDXC-UK yg)