Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4TPB callsign genealogy
Currently held by Brown, Travis P
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 K4TPB's current licensee, walking backwards.
- Brown, TravisGAgranted 2022-03-15cancelled 2022-04-02
Successor callsigns
Callsigns held now by people who previously held K4TPB.
- Boring, Tim PFLgranted 2025-12-06
All historical holders
Every license row we've seen with the callsign K4TPB, oldest first.
- Boring, Tim P FL2005-03-18 → cancelled 2006-01-10
- Brown, Travis P GA2022-04-02 active