Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ0HN callsign genealogy
Currently held by FOGEL, JOHN 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 KJ0HN's current licensee, walking backwards.
- Ruberson, John RNEgranted 2015-02-18cancelled 2023-08-04
Successor callsigns
Callsigns held now by people who previously held KJ0HN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KJ0HN, oldest first.
- FOGEL, JOHN W CA2010-11-18 → cancelled 2022-12-17
- Ruberson, John R NE2023-08-04 active