Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA7IB callsign genealogy
Currently held by OBERNDORFER, JOHN C
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 AA7IB's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AA7IB.
- OBERNDORFER, JOHN CNCgranted 2001-04-20cancelled 2011-03-01