Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4THB callsign genealogy
Currently held by Broom, Tom H
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 K4THB's current licensee, walking backwards.
- BROOM, TOMMY HGAgranted 1998-11-16cancelled 2003-03-28
Successor callsigns
Callsigns held now by people who previously held K4THB.
No current licensee on record previously held this callsign.