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

W9KTH callsign genealogy

Currently held by Bloom, Charles A

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 W9KTH's current licensee, walking backwards.

  1. KE5QZUcancelled· G
    Bloom, Charles ATXgranted 2007-10-10cancelled 2008-08-15

Successor callsigns

Callsigns held now by people who previously held W9KTH.

  1. K3EINactive· E
    ASHWAY, EDWARD LFLgranted 2026-05-09