Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0JXF callsign genealogy
Currently held by FRANCK, JEFFREY R
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 K0JXF's current licensee, walking backwards.
- FRANCK, JEFFREY RKSgranted 2024-05-25
Successor callsigns
Callsigns held now by people who previously held K0JXF.
- FRANCK, JEFFREY RKSgranted 2024-05-25