Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4OLU callsign genealogy
Currently held by Carroll, Bradley T
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 K4OLU's current licensee, walking backwards.
- CARROLL, BRADLEY TTXgranted 2004-08-16cancelled 2004-09-08
Successor callsigns
Callsigns held now by people who previously held K4OLU.
- Carroll, Bradley TPAgranted 2024-07-19