Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N2JU callsign genealogy
Currently held by WARREN JR, ROBERT W
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 N2JU's current licensee, walking backwards.
- GENGLER JR, PHILIP MNJgranted 2015-12-04cancelled 2018-11-24
Successor callsigns
Callsigns held now by people who previously held N2JU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N2JU, oldest first.
- WARREN JR, ROBERT W NY2006-09-13 → cancelled 2018-11-06
- GENGLER JR, PHILIP M NJ2018-11-24 active