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

K0ONG callsign genealogy

Currently held by WENGERT, JOHN M

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 K0ONG's current licensee, walking backwards.

  1. AI6LPcancelled· E
    WENGERT, JOHN MCAgranted 2010-08-25cancelled 2016-12-13
  2. NN3Nactive· E
    Mc Mahon, Robert MMOgranted 2017-10-21
  3. KC5RAEcancelled· E
    Mc Mahon, Robert MMOgranted 2015-06-27cancelled 2017-10-21

Successor callsigns

Callsigns held now by people who previously held K0ONG.

  1. NN3Ncancelled· E
    WENGERT, JOHN MCAgranted 2010-08-25cancelled 2015-10-02

All historical holders

Every license row we've seen with the callsign K0ONG, oldest first.

  • WENGERT, JOHN M NC
    1999-01-07 → cancelled 2000-06-02
  • WENGERT, JOHN M CA
    2016-12-13 active
← Back to K0ONG License history →