Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA4RN callsign genealogy
Currently held by Nielsen, Randal E
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 AA4RN's current licensee, walking backwards.
- Nielsen, Randal EKYgranted 2023-07-13cancelled 2023-09-01
Successor callsigns
Callsigns held now by people who previously held AA4RN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AA4RN, oldest first.
- JOLY, LORAN S KY2011-05-03 → cancelled 2023-08-01
- Nielsen, Randal E KY2023-09-01 active