Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4CTM callsign genealogy
Currently held by DOCKERY, ROBERT 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 W4CTM's current licensee, walking backwards.
- Dockery, Robert DTNgranted 2006-08-02cancelled 2006-08-25
Successor callsigns
Callsigns held now by people who previously held W4CTM.
No current licensee on record previously held this callsign.