Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0JDF callsign genealogy
Currently held by Fullmer, Joshua
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 K0JDF's current licensee, walking backwards.
- Fullmer, Joshua DCOgranted 2010-06-18cancelled 2011-03-01
Successor callsigns
Callsigns held now by people who previously held K0JDF.
No current licensee on record previously held this callsign.