Mast head mount of the rtl-dongle gives low transmission line loss
Weather proofing of the receiver. Small plastic bag inside, bag open towards the lower side so any condensation can escape, secured with duct tape. This is going to survive heavy winter storms, no problem. The problem is the radiation of the Sun killing the plastics, so there will be some duct tape maintenance.
Raspberry pi 3
5dBi Antenna erected on the roof where I work.
Receiver range: receiver has not been running for many days yet, but so far It show coverage about expected. Light area: new receiver @ work. Dark area is my first receiver @ home. Rings @ 20 nautical mile.
Receivers are feeding the flightradar24 and planefinder networks. If you know about anyone else interesting in a data feed, please let me know.