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

AD4DM callsign genealogy

Currently held by Mauney, Derrick F

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 AD4DM's current licensee, walking backwards.

  1. KM4AKXcancelled· E
    Mauney, Derrick FFLgranted 2014-04-22cancelled 2021-03-19

Successor callsigns

Callsigns held now by people who previously held AD4DM.

  1. NC0Sactive· E
    SWANDA, JAMES CKSgranted 2019-05-07
  2. N4DWMcancelled· E
    Morris, David WFLgranted 2016-01-26cancelled 2017-12-22

All historical holders

Every license row we've seen with the callsign AD4DM, oldest first.

  • Morris, David W FL
    2015-08-14 → cancelled 2016-01-26
  • Mauney, Derrick F FL
    2021-03-19 active
  • SWANDA, JAMES C
    — → cancelled 1999-07-22
← Back to AD4DM License history →