Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK4SJA callsign genealogy
Currently held by Bailey, John
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 KK4SJA'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 KK4SJA.
- Bailey, JohnFLgranted 2013-11-23cancelled 2026-03-06