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

KR7CQ callsign genealogy

Currently held by Hamilton, John A

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 KR7CQ's current licensee, walking backwards.

  1. KJ7Gactive· E
    Antsev, BorisWAgranted 2018-10-27
  2. AG7QBcancelled· E
    Antsev, BorisWAgranted 2018-09-18cancelled 2018-10-27

Successor callsigns

Callsigns held now by people who previously held KR7CQ.

  1. KN0WXactive· E
    Hamilton, John ASDgranted 2022-02-16

All historical holders

Every license row we've seen with the callsign KR7CQ, oldest first.

  • Hamilton, John A SD
    2007-12-27 → cancelled 2012-04-13
  • Ormandy, Michael L AZ
    2026-09-01 active
← Back to KR7CQ License history →