Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6ACO callsign genealogy
Currently held by AGUIRRE VALDEZ, ALFREDO
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 K6ACO's current licensee, walking backwards.
- AGUIRRE VALDEZ, ALFREDOCAgranted 2022-09-23cancelled 2022-10-14
Successor callsigns
Callsigns held now by people who previously held K6ACO.
No current licensee on record previously held this callsign.