Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB6IR callsign genealogy
Currently held by MABANTA SR, ADRIANO M
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 AB6IR's current licensee, walking backwards.
- MABANTA SR, ADRIANO MCAgranted 2006-10-07cancelled 2008-02-01
Successor callsigns
Callsigns held now by people who previously held AB6IR.
- MABANTA SR, ADRIANO MCAgranted 2006-10-07cancelled 2008-02-01
All historical holders
Every license row we've seen with the callsign AB6IR, oldest first.
- MABANTA SR, ADRIANO M CA2003-10-29 → cancelled 2006-10-07
- MABANTA SR, ADRIANO M CA2008-02-01 → cancelled 2020-02-04