Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9THB callsign genealogy
Currently held by Booth, Thomas 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 W9THB's current licensee, walking backwards.
- Booth, Thomas HINgranted 2003-11-26cancelled 2007-04-06
Successor callsigns
Callsigns held now by people who previously held W9THB.
No current licensee on record previously held this callsign.