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

NA0S callsign genealogy

Currently held by MAURER, JOHN J

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 NA0S's current licensee, walking backwards.

  1. AI5BTcancelled· E
    ELDREDGE, STEVENTXgranted 2020-12-16cancelled 2022-02-18
  2. KI5MNZcancelled· E
    ELDREDGE, STEVENTXgranted 2020-12-16cancelled 2021-01-27

Successor callsigns

Callsigns held now by people who previously held NA0S.

  1. W0DPactive· E
    MAURER, JOHN JIAgranted 2024-09-10
  2. AE7UMactive· E
    Willson, Mark AFLgranted 2020-01-28

All historical holders

Every license row we've seen with the callsign NA0S, oldest first.

  • MAURER, JOHN J IA
    1998-09-04 → cancelled 2004-11-10
  • Cutright, Kevin J KS
    2007-01-04 → cancelled 2019-02-12
  • Willson, Mark A OR
    2019-03-15 → cancelled 2020-01-28
  • ELDREDGE, STEVEN TX
    2022-02-18 active
← Back to NA0S License history →