Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4DRE callsign genealogy
Currently held by COCKMAN JR, CHARLES L
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 K4DRE's current licensee, walking backwards.
- Royal, Richard LFLgranted 2016-01-30cancelled 2018-03-16
Successor callsigns
Callsigns held now by people who previously held K4DRE.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4DRE, oldest first.
- COCKMAN JR, CHARLES L NC2009-05-02 → cancelled 2016-02-22
- Royal, Richard L FL2018-03-16 active