Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4RDJ callsign genealogy
Currently held by JACKSON, RANDY D
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 K4RDJ's current licensee, walking backwards.
- Jackson, Randy DTNgranted 2005-06-13cancelled 2009-02-18
Successor callsigns
Callsigns held now by people who previously held K4RDJ.
No current licensee on record previously held this callsign.