Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO4BZD callsign genealogy
Currently held by Greer, James B
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 KO4BZD's current licensee, walking backwards.
- Greer, James BTNgranted 2020-01-21cancelled 2020-02-18
Successor callsigns
Callsigns held now by people who previously held KO4BZD.
- Greer, James BTNgranted 2025-09-03