Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KN6APP callsign genealogy
Currently held by Hart, Jonathan R
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by KN6APP's current licensee, walking backwards.
- Hart, Jonathan RCAgranted 2019-02-19cancelled 2019-03-18
Successor callsigns
Callsigns held now by people who previously held KN6APP.
- Hart, Jonathan RMDgranted 2019-02-19