uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-14

AI7UF callsign genealogy

Currently held by DELGADO, MICHAEL J

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 AI7UF's current licensee, walking backwards.

  1. KD7YAHcancelled· E
    DELGADO, MICHAEL JUTgranted 2023-10-19cancelled 2023-11-28

Successor callsigns

Callsigns held now by people who previously held AI7UF.

No current licensee on record previously held this callsign.