Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1NDU callsign genealogy
Currently held by PINCKNEY JR, THOMAS 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 W1NDU's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W1NDU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1NDU, oldest first.
- ONOYAN, GARABED G RI1997-04-18 → cancelled 2009-04-21
- PINCKNEY JR, THOMAS D SC2024-03-23 active