Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4JJ callsign genealogy
Currently held by JACKSON JR, MARION L
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 N4JJ's current licensee, walking backwards.
- HOLDER, WILLIAM JVAgranted 2014-02-10cancelled 2018-04-27
Successor callsigns
Callsigns held now by people who previously held N4JJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4JJ, oldest first.
- JACKSON JR, MARION L SC2008-02-19 → cancelled 2016-04-07
- HOLDER, WILLIAM J VA2018-04-27 active