Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4JKF callsign genealogy
Currently held by Ferrell, Joshua K
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 K4JKF's current licensee, walking backwards.
- Ferrell, Joshua KNCgranted 2010-09-30cancelled 2010-10-19
Successor callsigns
Callsigns held now by people who previously held K4JKF.
No current licensee on record previously held this callsign.