Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA4KK callsign genealogy
Currently held by OLIVER, JOSEPH D
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 AA4KK's current licensee, walking backwards.
- OLIVER, JOSEPH DSCgranted 1996-07-02cancelled 2001-02-17
Successor callsigns
Callsigns held now by people who previously held AA4KK.
No current licensee on record previously held this callsign.