Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK4FJD callsign genealogy
Currently held by Carrillo Jr, Nicolas
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 KK4FJD'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 KK4FJD.
- Carrillo Jr, NicolasGAgranted 2021-11-30