Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WT3M callsign genealogy
Currently held by Strawhorne, William 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 WT3M's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held WT3M.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WT3M, oldest first.
- NEUMANN, ROBERT C MD2011-09-20 → cancelled 2019-08-21
- Strawhorne, William D SC2021-09-10 active