Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4DIZ callsign genealogy
Currently held by GIVAN, THEDA 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 K4DIZ's current licensee, walking backwards.
- Disney, JessTNgranted 2021-01-27cancelled 2021-02-17
Successor callsigns
Callsigns held now by people who previously held K4DIZ.
- Bowman, Jeffrey KTNgranted 2017-06-02
All historical holders
Every license row we've seen with the callsign K4DIZ, oldest first.
- GIVAN, THEDA M TN1994-11-03 → cancelled 2002-02-13
- Bowman, Jeffrey K TN2016-07-18 → cancelled 2017-06-02
- Disney, Jess TN2021-02-17 active