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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

AI7DJ callsign genealogy

Currently held by Williams, Christopher H

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 AI7DJ's current licensee, walking backwards.

  1. K7IJJcancelled· E
    Johnson, Dean AIDgranted 2022-02-01cancelled 2023-06-22
  2. KD6IJJcancelled· G
    Johnson, Dean AIDgranted 2018-05-18cancelled 2022-02-01
  3. KM6SLScancelled· T
    Johnson, Dean ACAgranted 2018-04-27cancelled 2018-05-18

Successor callsigns

Callsigns held now by people who previously held AI7DJ.

  1. K7CHWactive· E
    Williams, Christopher HORgranted 2020-12-08

All historical holders

Every license row we've seen with the callsign AI7DJ, oldest first.

  • Williams, Christopher H OR
    2017-12-22 → cancelled 2020-12-08
  • Johnson, Dean A ID
    2023-06-22 active
← Back to AI7DJ License history →