Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ7O callsign genealogy
Currently held by JOHNSON, JOE W
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 KJ7O's current licensee, walking backwards.
- JOHNSON, JOE WORgranted 1999-05-06cancelled 2000-09-19
Successor callsigns
Callsigns held now by people who previously held KJ7O.
No current licensee on record previously held this callsign.