Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4GTR callsign genealogy
Currently held by DOZIER SR, WILLIAM R
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 W4GTR's current licensee, walking backwards.
- DOZIER SR, WILLIAM RFLgranted 2002-02-14cancelled 2008-05-09
Successor callsigns
Callsigns held now by people who previously held W4GTR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4GTR, oldest first.
- BARNES JR, WALTER P FL1995-05-31 → cancelled 2007-06-01
- DOZIER SR, WILLIAM R FL2018-02-13 active