Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AA5QO callsign genealogy
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 AA5QO's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held AA5QO.
- ORTIZ, RUBEN DTXgranted 1991-10-15cancelled 2003-10-16