Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KJ5ROC callsign genealogy
Currently held by Rockwell, John J
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 KJ5ROC's current licensee, walking backwards.
- Rockwell, John JOKgranted 2021-02-09cancelled 2021-03-09
Successor callsigns
Callsigns held now by people who previously held KJ5ROC.
No current licensee on record previously held this callsign.