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

WA4MTH callsign genealogy

Currently held by HOPPER, MARK T

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 WA4MTH's current licensee, walking backwards.

  1. KG4FELcancelled· T
    HOPPER, MARK TALgranted 1995-04-07cancelled 1999-11-27
  2. KE4YTIcancelled· T
    HOPPER, MARK TFLgranted 1995-04-07cancelled 1999-11-04

Successor callsigns

Callsigns held now by people who previously held WA4MTH.

No current licensee on record previously held this callsign.

← Back to WA4MTH License history →