I saw Balint Seeber demo this at Dorkbot in Sydney, which must have been in the early 2000s, definitely before he left Sydney in about 2010. He was using live

I saw Balint Seeber demo this at Dorkbot in Sydney, which must have been in the early 2000s, definitely before he left Sydney in about 2010. He was using live ADS-B data from an SDR, because this was way before global ADS-B websites and APIs existed. (I wonder what he's up to these day, he was a fascinating person and presenter, and used to be a prolific blogger on interesting subjects. I also wonder what Pia van Gelder who used to run Dorkbot Sydney is up to?)