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

K8TJR callsign genealogy

Currently held by MATHEWSON, BERNARD 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 K8TJR's current licensee, walking backwards.

  1. KE8OIVcancelled· T
    DEAN, CODY LMIgranted 2020-05-07cancelled 2020-05-27

Successor callsigns

Callsigns held now by people who previously held K8TJR.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K8TJR, oldest first.

  • MATHEWSON, BERNARD J OH
    1994-10-31 → cancelled 2004-06-08
  • DEAN, CODY L MI
    2020-05-27 active