Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KU4FK callsign genealogy
Currently held by FREY, TIMOTHY B
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 KU4FK's current licensee, walking backwards.
- KF8OWno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KU4FK.
- FREY, TIMOTHY BKYgranted 2007-06-22cancelled 2009-08-28