Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF4OQR callsign genealogy
Currently held by KELLEY, MICHAEL H
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 KF4OQR'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 KF4OQR.
- KELLEY, MICHAEL HFLgranted 1998-03-23cancelled 2009-01-29