Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KJ2O callsign genealogy
Currently held by OFRIA III, JOHN
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 KJ2O's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KJ2O.
- OFRIA III, JOHNNVgranted 2026-04-03cancelled 2026-05-15