Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9DX callsign genealogy
Currently held by HIGGINS, JOHN R
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 N9DX's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held N9DX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9DX, oldest first.
- HIGGINS, LAWRENCE J IN2005-11-15 → cancelled 2008-10-21
- HIGGINS, JOHN R PA2020-08-31 active