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

WB4HYX callsign genealogy

Currently held by HARTMAN, 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 WB4HYX's current licensee, walking backwards.

  1. N8YAactive· E
    Calvin, Dean MOHgranted 2016-11-14
  2. N8RMFactive· T
    CALVIN, SETH DOHgranted 2018-12-14
  3. KD8HZEcancelled· T
    CALVIN, SETH DOHgranted 2008-03-11cancelled 2009-02-27

Successor callsigns

Callsigns held now by people who previously held WB4HYX.

  1. N8YAcancelled· E
    HARTMAN, CHARLES AGAgranted 2003-07-15cancelled 2003-11-22

All historical holders

Every license row we've seen with the callsign WB4HYX, oldest first.

  • HARTMAN, CHARLES A GA
    2000-03-21 → cancelled 2003-07-15
  • HARTMAN, CHARLES A GA
    2003-11-22 → cancelled 2015-11-24
← Back to WB4HYX License history →