Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KA3TUF callsign genealogy
Currently held by THEIS, CLAIRE E
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 KA3TUF's current licensee, walking backwards.
- THEIS, CLAIRE EPAgranted 2008-04-08cancelled 2008-04-29
Successor callsigns
Callsigns held now by people who previously held KA3TUF.
- O NEILL, ROGER HMDgranted 1988-12-27cancelled 2000-12-28