Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7JAZ callsign genealogy
Currently held by PHELPS JR, JAMES E
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 K7JAZ's current licensee, walking backwards.
- Cleveland, Gary DORgranted 2014-05-15cancelled 2016-06-14
Successor callsigns
Callsigns held now by people who previously held K7JAZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7JAZ, oldest first.
- PHELPS JR, JAMES E KS2003-07-09 → cancelled 2015-07-10
- Cleveland, Gary D MO2026-04-02 active