Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4JNB callsign genealogy
Currently held by Moore, John T
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 K4JNB's current licensee, walking backwards.
- Moore, John TNYgranted 1999-02-01cancelled 2001-02-21
Successor callsigns
Callsigns held now by people who previously held K4JNB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4JNB, oldest first.
- STUEWE, JOHN H FL1988-12-20 → cancelled 2000-12-21
- Moore, John T KS2021-01-05 active