Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK4AVR callsign genealogy
Currently held by Clifford, Harold C
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 KK4AVR'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 KK4AVR.
- Clifford, Harold CFLgranted 2011-06-11cancelled 2023-07-12