Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4DTV callsign genealogy
Currently held by BLACKWOOD SR, NOEL B
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 W4DTV's current licensee, walking backwards.
- Troy, David DNCgranted 2014-04-25cancelled 2015-01-27
Successor callsigns
Callsigns held now by people who previously held W4DTV.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4DTV, oldest first.
- BLACKWOOD SR, NOEL B AL1997-03-27 → cancelled 2009-03-28
- Troy, David D NC2025-01-24 active