Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KU4QF callsign genealogy
Currently held by LOPEZ, FRED
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 KU4QF's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KU4QF.
- LOPEZ, FREDFLgranted 2002-10-22cancelled 2015-01-21