Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK4GBG callsign genealogy
Currently held by Berges, Gustavo A
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 KK4GBG's current licensee, walking backwards.
- BERGES, GUSTAVO AFLgranted 1998-05-06cancelled 2002-03-08
Successor callsigns
Callsigns held now by people who previously held KK4GBG.
- BERGES, GUSTAVO AFLgranted 2017-12-19