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

N6ZO callsign genealogy

Currently held by MOORE, CHESTER H

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 N6ZO's current licensee, walking backwards.

  1. KK6CSOcancelled· E
    Jacobson, Theodore JCAgranted 2013-03-04cancelled 2021-01-15

Successor callsigns

Callsigns held now by people who previously held N6ZO.

  1. N0LTactive· E
    Tiemann, William ACOgranted 2018-12-27
  2. N4FXactive· E
    MOORE, CHESTER HVAgranted 2017-02-09

All historical holders

Every license row we've seen with the callsign N6ZO, oldest first.

  • MOORE, CHESTER H VA
    2006-06-06 → cancelled 2007-02-13
  • Tiemann, William A WA
    2009-03-13 → cancelled 2018-12-27
  • Jacobson, Theodore J CA
    2021-01-15 active
← Back to N6ZO License history →