Complex sentence: Typical ADS-B receivers include Kinetic Avonics ′ s SBS-1 and AirNav-systems's AirNav and these receivers are run by volunteers, mostly aviation enthusiasts.
Split into simpler sentences: Typical ADS-B receivers include Kinetic Avonics ′ s SBS-1 and AirNav-systems's AirNav. These receivers are run by volunteers, mostly aviation enthusiasts.