Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF9UU callsign genealogy
Currently held by BRESNYAN JR, CHARLES M
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 KF9UU's current licensee, walking backwards.
- N9KNLno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KF9UU.
- BRESNYAN JR, CHARLES MILgranted 2015-09-15