Tracking Planes with RTL-SDR, Apache Kafka, KSQL, Kibana and a Raspberry Pi Posted by omk on Saturday June 02, 2018 @01:59PM from the rtl-sdr.com dept. https://www.rtl-sdr.com/tracking-planes-with-rtl-sdr-apache-kafka-ksql-kibana-and-a-raspberry-pi/ ( 3 comments | 16 points | on HN )
https://blog.steve.fi/tracking_aircraft_in_real_time__via_so...
What the heck was the submission link? The most technical it got was "using some clever database coding"...