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

K9OPA callsign genealogy

Currently held by WESSEL, THOMAS W

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 K9OPA's current licensee, walking backwards.

  1. WD9IQJcancelled· G
    WESSEL, THOMAS WCOgranted 2022-06-03cancelled 2024-02-06
  2. KB3QBTcancelled· G
    WESSEL, THOMAS WCOgranted 2007-12-04cancelled 2012-04-06

Successor callsigns

Callsigns held now by people who previously held K9OPA.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K9OPA, oldest first.

  • Lee, Jae Hoon CA
    2008-12-02 → cancelled 2020-12-03
  • WESSEL, THOMAS W CO
    2024-02-06 active