Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6ABA callsign genealogy
Currently held by BELTRAN, JAVIER
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 K6ABA's current licensee, walking backwards.
- Mavrakis, ChristosCAgranted 2025-05-23cancelled 2025-06-10
Successor callsigns
Callsigns held now by people who previously held K6ABA.
- BELTRAN, JAVIERCAgranted 2019-09-17
All historical holders
Every license row we've seen with the callsign K6ABA, oldest first.
- REITNOUER JR, ARTHUR N CA2004-03-19 → cancelled 2016-03-22
- BELTRAN, JAVIER CA2016-09-13 → cancelled 2019-09-17
- Mavrakis, Christos CA2025-06-10 active