Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD4RN callsign genealogy
Currently held by Nofi, Ralph V
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 KD4RN's current licensee, walking backwards.
- Nofi, Ralph VNYgranted 2018-06-20cancelled 2019-06-18
Successor callsigns
Callsigns held now by people who previously held KD4RN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD4RN, oldest first.
- Lawler, John E FL2005-11-15 → cancelled 2018-02-06
- Nofi, Ralph V NY2019-06-18 active