Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4JJU callsign genealogy
Currently held by Weekley, Warren M
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 K4JJU's current licensee, walking backwards.
- Weekley, Warren MFLgranted 2008-02-12cancelled 2008-03-04
Successor callsigns
Callsigns held now by people who previously held K4JJU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4JJU, oldest first.
- WEEKLEY, WARREN M FL1995-01-20 → cancelled 2007-01-23
- Weekley, Warren M FL2017-12-28 active