Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KU7O callsign genealogy
Currently held by BUCHERT, GERALD C
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 KU7O's current licensee, walking backwards.
- CUNNANE, MARKMTgranted 2021-12-06cancelled 2022-11-18
Successor callsigns
Callsigns held now by people who previously held KU7O.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KU7O, oldest first.
- BUCHERT, GERALD C WA2010-07-27 → cancelled 2022-10-25
- CUNNANE, MARK MT2022-11-18 active