Stayed at sister's house (near Stevenage) over the weekend.
Took my RadarBox with me, assuming (wrongly) that nephews would be interested.
Even with an indoor aerial, the amount of traffic I could see over the SE of England blew me away!
Perhaps nephews' were just blasé about living under flightpath into Luton...
Took loads of screenshots - mainly to encourage myself to get my Midlands-based external antennae erected over Easter.
Fascinating to see a succession of airliners (new to me) turning over the Borehamwood area on appraoch to LHR (I used to live in Watford many years ago - wish I'd had this technology then!).
Will just post one screenshot though - indoor aerial in North Herts easily picking up high level traffic over Kent.
Quite liked this one of Lufthansa A340's in close formation (albeit 2000' vertical separation) over Maidstone area. Both destined to Munich - one from San Francisco, the other from Los Angeles.