Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4GGM callsign genealogy
Currently held by Bolin, Zachary
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 K4GGM's current licensee, walking backwards.
- BOLIN, ZACHARYFLgranted 2024-07-02cancelled 2024-12-27
Successor callsigns
Callsigns held now by people who previously held K4GGM.
- BOLIN, ZACHARYFLgranted 2024-07-02cancelled 2024-12-27