Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA0TWB callsign genealogy
Currently held by BASSETT, THOMAS W
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 KA0TWB's current licensee, walking backwards.
- BASSETT, THOMAS WMOgranted 2008-06-19cancelled 2009-05-29
Successor callsigns
Callsigns held now by people who previously held KA0TWB.