Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9AJS callsign genealogy
Currently held by MARTLAGE, KENNETH A
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 N9AJS's current licensee, walking backwards.
- Shapiro, Anthony JILgranted 2008-11-25cancelled 2008-12-16
Successor callsigns
Callsigns held now by people who previously held N9AJS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9AJS, oldest first.
- MARTLAGE, KENNETH A IN1988-02-02 → cancelled 2000-02-03
- Shapiro, Anthony J IL2018-10-23 active