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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

K7CHW 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 K7CHW's current licensee, walking backwards.

  1. AI7DJactive· E
    Johnson, Dean AIDgranted 2023-06-22
  2. K7IJJcancelled· E
    Johnson, Dean AIDgranted 2022-02-01cancelled 2023-06-22
  3. KD6IJJcancelled· G
    Johnson, Dean AIDgranted 2018-05-18cancelled 2022-02-01
  4. KM6SLScancelled· T
    Johnson, Dean ACAgranted 2018-04-27cancelled 2018-05-18

Successor callsigns

Callsigns held now by people who previously held K7CHW.

  1. AI7DJcancelled· E
    Williams, Christopher HORgranted 2017-12-22cancelled 2020-12-08

All historical holders

Every license row we've seen with the callsign K7CHW, oldest first.

  • Williams, Christopher H OR
    2017-12-22 → cancelled 2020-10-13
  • Williams, Christopher H OR
    2020-12-08 active
← Back to K7CHW License history →