Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA6ZI callsign genealogy
Currently held by Gatdula 298, Francisco R
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 AA6ZI's current licensee, walking backwards.
- Gatdula, Francisco RCAgranted 2021-07-29cancelled 2021-08-17
Successor callsigns
Callsigns held now by people who previously held AA6ZI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AA6ZI, oldest first.
- GATDULA, FRANCISCO R CA2002-11-05 → cancelled 2013-11-07
- Gatdula 298, Francisco R CA2021-08-17 active