Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4JLW callsign genealogy
Currently held by WHITE, JOHN L
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 K4JLW's current licensee, walking backwards.
- WHITE, JOHN LNCgranted 2012-12-07cancelled 2013-09-06
Successor callsigns
Callsigns held now by people who previously held K4JLW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4JLW, oldest first.
- KINCAID, THOMAS O NC2003-01-21 → cancelled 2011-08-10
- WHITE, JOHN L NC2023-07-21 active