Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WD4TR callsign genealogy
Currently held by ROSE, TEDDY 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 WD4TR's current licensee, walking backwards.
- ROSE, TEDDY RNCgranted 2025-11-21cancelled 2026-04-07
Successor callsigns
Callsigns held now by people who previously held WD4TR.
- ROCK, TIMOTHY PSCgranted 2017-09-12
All historical holders
Every license row we've seen with the callsign WD4TR, oldest first.
- ROCK, TIMOTHY P SC2015-12-29 → cancelled 2017-09-12
- ROSE, TEDDY R NC2026-04-07 active