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

AJ4HK callsign genealogy

Currently held by MASON, DENNIS 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 AJ4HK's current licensee, walking backwards.

  1. K4DAMactive· G
    MCCLURE, MICHELLE LNCgranted 2014-10-03
  2. KM4AFZcancelled· G
    MCCLURE, MICHELLE LNCgranted 2014-04-15cancelled 2014-10-03

Successor callsigns

Callsigns held now by people who previously held AJ4HK.

  1. WZ0Qactive· E
    MASON, DENNIS ANCgranted 2026-02-19
← Back to AJ4HK License history →