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

KJ7JC callsign genealogy

Currently held by KNOWLES, ARTHUR L

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 KJ7JC's current licensee, walking backwards.

  1. KJ7JSCcancelled· E
    CLARK, JUSTIN SAZgranted 2018-09-28cancelled 2019-07-02
  2. KJ7AMZcancelled· T
    CLARK, JUSTIN SAZgranted 2018-09-10cancelled 2018-09-28

Successor callsigns

Callsigns held now by people who previously held KJ7JC.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KJ7JC, oldest first.

  • KNOWLES, ARTHUR L OR
    1995-02-01 → cancelled 2007-01-24
  • CLARK, JUSTIN S AZ
    2019-07-02 active
← Back to KJ7JC License history →