Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KZ4GG callsign genealogy
Currently held by Summers, Greg K
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 KZ4GG's current licensee, walking backwards.
- Summers, Greg KALgranted 2023-09-06cancelled 2024-04-11
Successor callsigns
Callsigns held now by people who previously held KZ4GG.
No current licensee on record previously held this callsign.