My previous best experience of ANRB was watching the maiden flight of the B787 over the network a couple of weeks ago.
Even better tonight watching live flights via my own antenna - I had fun watching RYR2155 approach Birmingham and then do lazy circles over the Midlands at FL180 until finally giving up and diverting to East Mids.
Don't know what problem was (snow?) - attach a couple of screenshots.
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Edit 2220:
Won't post further screen shots but RYR749 diverted to E Mids, MON979 turned back to Luton and KLM77M currently circling west of Birmingham at FL180 with no clear intention.
Any idea of the problem at Birmingham?