Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA7BCT callsign genealogy
Currently held by SCHMITZ, WILLIAM J
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 KA7BCT's current licensee, walking backwards.
- SCHMITZ, WILLIAM JORgranted 2023-05-13cancelled 2023-06-22
Successor callsigns
Callsigns held now by people who previously held KA7BCT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA7BCT, oldest first.
- SCHMITZ, WILLIAM J OR1994-05-10 → cancelled 2006-05-11
- SCHMITZ, WILLIAM J OR2023-06-22 active