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

K8TMI callsign genealogy

Currently held by O Connor Jr, Thomas G

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 K8TMI's current licensee, walking backwards.

  1. AB8NGcancelled· E
    O Connor Jr, Thomas GDEgranted 2017-07-18cancelled 2018-04-13
  2. N4CIXactive· G
    CERDEIRA, TERRY BKYgranted 2019-12-10
  3. KO4AENcancelled· G
    CERDEIRA, TERRY BKYgranted 2012-03-05cancelled 2019-12-10
  4. KD4JMUcancelled· G
    CERDEIRA, TERRY BKYgranted 2012-03-05cancelled 2019-11-20

Successor callsigns

Callsigns held now by people who previously held K8TMI.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K8TMI, oldest first.

  • ANDERSON, ERIC C OH
    1997-05-20 → cancelled 2009-05-21
  • O Connor Jr, Thomas G MI
    2018-04-13 active