Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4GAJ callsign genealogy
Currently held by RATNER, IRVING I
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 N4GAJ's current licensee, walking backwards.
- JANSEN, GREG ATNgranted 2016-04-11cancelled 2016-04-30
Successor callsigns
Callsigns held now by people who previously held N4GAJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4GAJ, oldest first.
- RATNER, IRVING I FL1996-04-22 → cancelled 2008-04-23
- JANSEN, GREG A TN2026-02-03 active