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

N0ZL callsign genealogy

Currently held by HANSEN, MARK S

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 N0ZL's current licensee, walking backwards.

  1. KG6ZDQcancelled· E
    Verma, ShireeshCAgranted 2016-08-04cancelled 2018-06-02

Successor callsigns

Callsigns held now by people who previously held N0ZL.

  1. WA0RXRactive· E
    HANSEN, MARK SIAgranted 2026-04-11
  2. WB4CWcancelled· E
    WALKER, PHILLIP MFLgranted 2008-08-29cancelled 2011-04-26

All historical holders

Every license row we've seen with the callsign N0ZL, oldest first.

  • MC GRANNAHAN, WILLIAM W MO
    2001-02-21 → cancelled 2005-04-24
  • WALKER, PHILLIP M FL
    2007-07-17 → cancelled 2008-08-29
  • HANSEN, MARK S IA
    2010-09-17 → cancelled 2016-05-14
  • Verma, Shireesh CA
    2018-06-02 active
← Back to N0ZL License history →