Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4JNJ callsign genealogy
Currently held by Manley, Jack C
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 K4JNJ's current licensee, walking backwards.
- Manley, Jack CNCgranted 2019-05-29cancelled 2019-06-18
Successor callsigns
Callsigns held now by people who previously held K4JNJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4JNJ, oldest first.
- WANSLEY JR, WILLIAM T TN1988-03-01 → cancelled 2000-03-02
- Manley, Jack C NC2019-06-18 active