Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3RJA callsign genealogy
Currently held by Acierno, Ronald
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 K3RJA's current licensee, walking backwards.
- Acierno, RonaldMDgranted 2026-01-13cancelled 2026-01-31
Successor callsigns
Callsigns held now by people who previously held K3RJA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3RJA, oldest first.
- Sivowitch, Elliot N DC2004-02-27 → cancelled 2016-04-13
- Acierno, Ronald MD2026-01-31 active