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

N6JSO callsign genealogy

Currently held by OWENS, JOHN 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 N6JSO's current licensee, walking backwards.

  1. KN6JKZcancelled· T
    OWENS, JOHN SCAgranted 2020-06-23cancelled 2020-07-14

Successor callsigns

Callsigns held now by people who previously held N6JSO.

  1. NN6Uactive· E
    OWENS, JOHN SCAgranted 2023-01-31

All historical holders

Every license row we've seen with the callsign N6JSO, oldest first.

  • BALLARD, ROBERT J CA
    2003-11-06 → cancelled 2016-02-02
  • OWENS, JOHN S CA
    2020-07-14 → cancelled 2023-01-31