Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4TA callsign genealogy
Currently held by BLACKBURN JR, BRUCE 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 W4TA's current licensee, walking backwards.
- KK4NBYcancelledSPARC Contest GroupFLgranted 2012-12-06cancelled 2013-02-12
Successor callsigns
Callsigns held now by people who previously held W4TA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4TA, oldest first.
- BLACKBURN JR, BRUCE B FL2007-06-27 → cancelled 2012-11-07
- SPARC Contest Group FL2023-06-09 active