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

W9TH callsign genealogy

Currently held by COOK, GLEN M

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 W9TH's current licensee, walking backwards.

  1. W9TLTcancelled· E
    TUCKER, JEFFREY AINgranted 2007-03-23cancelled 2015-03-17
  2. K9KIXactive· E
    Webster, Brian JFLgranted 2015-07-07
  3. KW4KPcancelled· E
    Webster, Brian JFLgranted 2015-06-18cancelled 2015-07-07

Successor callsigns

Callsigns held now by people who previously held W9TH.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W9TH, oldest first.

  • COOK, GLEN M IN
    2006-02-25 → cancelled 2014-06-25
  • TUCKER, JEFFREY A IN
    2025-03-07 active