Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3TD callsign genealogy
Currently held by Fisher Jr, David L
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 W3TD's current licensee, walking backwards.
- Fisher Jr, David LPAgranted 2003-04-25cancelled 2007-02-16
Successor callsigns
Callsigns held now by people who previously held W3TD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3TD, oldest first.
- REDCAY, P WILSON MD1995-01-26 → cancelled 2007-01-27
- Fisher Jr, David L PA2018-01-04 active