Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4JDG callsign genealogy
Currently held by ARROWOOD, JOHN B
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 N4JDG's current licensee, walking backwards.
- Green, Jason DTNgranted 2004-12-15cancelled 2005-06-03
Successor callsigns
Callsigns held now by people who previously held N4JDG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4JDG, oldest first.
- ARROWOOD, JOHN B AL1988-09-06 → cancelled 2000-09-07
- Green, Jason D TN2015-05-02 active