Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AI4FY callsign genealogy
Currently held by NORTON, DAVID K
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 AI4FY's current licensee, walking backwards.
- NORTON, DAVID KFLgranted 2001-04-02cancelled 2004-06-17
Successor callsigns
Callsigns held now by people who previously held AI4FY.
No current licensee on record previously held this callsign.