Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK4CFI callsign genealogy
Currently held by FENDLEY JR, WILLIAM R
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 KK4CFI'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 KK4CFI.
- FENDLEY JR, WILLIAM RSCgranted 2011-05-23cancelled 2011-07-18