Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ0NTN callsign genealogy
Currently held by John, Jonathan M
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 KJ0NTN's current licensee, walking backwards.
- John, Jonathan MCAgranted 2020-10-20cancelled 2020-12-05
Successor callsigns
Callsigns held now by people who previously held KJ0NTN.
No current licensee on record previously held this callsign.