Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WD4TAB callsign genealogy
Currently held by Brennison, Thomas A
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 WD4TAB's current licensee, walking backwards.
- Brennison, Thomas AGAgranted 2003-11-12cancelled 2003-12-09
Successor callsigns
Callsigns held now by people who previously held WD4TAB.
No current licensee on record previously held this callsign.