Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AA9FI callsign genealogy
Currently held by DZIEDZIEJKO, JOHN 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 AA9FI's current licensee, walking backwards.
- KF9IEno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held AA9FI.
- DZIEDZIEJKO, JOHN MINgranted 2000-03-24cancelled 2000-12-09