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

W2TH callsign genealogy

Currently held by MATCHEN, MICHAEL

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 W2TH's current licensee, walking backwards.

  1. N2TGHcancelled· E
    Hamilton, Thomas GNJgranted 2018-09-11cancelled 2020-06-26
  2. KC2ZRTcancelled· E
    Hamilton, Thomas GNJgranted 2011-02-03cancelled 2018-09-11

Successor callsigns

Callsigns held now by people who previously held W2TH.

  1. K2TXactive
    AREXTXgranted 2018-06-05
  2. KN3Ocancelled· E
    BROWN JR, RICHARD EOKgranted 2015-04-24cancelled 2016-01-26

All historical holders

Every license row we've seen with the callsign W2TH, oldest first.

  • MATCHEN, MICHAEL FL
    2002-12-18 → cancelled 2015-03-17
  • BROWN JR, RICHARD E OK
    2015-04-04 → cancelled 2015-04-24
  • AREX TX
    2017-05-13 → cancelled 2018-06-05
  • Hamilton, Thomas G NJ
    2020-06-26 active