Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA6TF callsign genealogy
Currently held by FISKE, THOMAS S
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 AA6TF's current licensee, walking backwards.
- Fiske, Thomas SCAgranted 2008-01-24cancelled 2008-02-29
Successor callsigns
Callsigns held now by people who previously held AA6TF.
- DOWIS, WILLIAM FCAgranted 2022-10-15
All historical holders
Every license row we've seen with the callsign AA6TF, oldest first.
- DOWIS, WILLIAM F CA1999-10-21 → cancelled 2003-01-11
- FISKE, THOMAS S CA2017-12-06 active