Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KN4RRO callsign genealogy
Currently held by Jaafar, Abdulaziz S
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 KN4RRO's current licensee, walking backwards.
- Jaafar, Abdulaziz SFLgranted 2017-11-24cancelled 2017-12-15
Successor callsigns
Callsigns held now by people who previously held KN4RRO.
No current licensee on record previously held this callsign.