Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF7OJD callsign genealogy
Currently held by RIVENBURG, JON 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 KF7OJD's current licensee, walking backwards.
- RIVENBURG, JON WORgranted 2003-06-10cancelled 2011-03-10
Successor callsigns
Callsigns held now by people who previously held KF7OJD.
- RIVENBURG, JON WORgranted 2021-01-05