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

N4NAB callsign genealogy

Currently held by HENDERSON, JOHN 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 N4NAB's current licensee, walking backwards.

  1. WQ3Kactive· E
    Sheline, EricWAgranted 2025-07-11
  2. KK7WQEcancelled· E
    Sheline, EricWAgranted 2024-11-21cancelled 2025-07-11

Successor callsigns

Callsigns held now by people who previously held N4NAB.

  1. WQ3Kcancelled· E
    HENDERSON, JOHN ANCgranted 2010-09-08cancelled 2010-10-19
  2. W4JAHcancelled· E
    HENDERSON, JOHN ANCgranted 2000-10-17cancelled 2002-04-19

All historical holders

Every license row we've seen with the callsign N4NAB, oldest first.

  • HENDERSON, JOHN A NC
    1996-07-09 → cancelled 2000-10-17
  • HENDERSON, JOHN A NC
    2002-04-19 → cancelled 2010-09-08
  • HENDERSON, JOHN A NC
    2010-10-19 → cancelled 2022-10-20
← Back to N4NAB License history →