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

N9COP callsign genealogy

Currently held by Bontrager, Marlin J

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 N9COP's current licensee, walking backwards.

  1. N9ZEZactive· G
    Buckley, Mason JINgranted 2023-04-22
  2. KD9TSJcancelled· G
    Buckley, Mason JINgranted 2021-11-04cancelled 2023-04-22

Successor callsigns

Callsigns held now by people who previously held N9COP.

  1. KD9MQGcancelled· G
    Bontrager, Marlin JINgranted 2019-02-20cancelled 2019-04-26

All historical holders

Every license row we've seen with the callsign N9COP, oldest first.

  • NEITZEL, ROBERT A IN
    2005-10-18 → cancelled 2018-01-17
  • Bontrager, Marlin J IN
    2019-02-20 → cancelled 2019-03-12
  • BUCKLEY, JORDAN J IN
    2021-04-02 active
← Back to N9COP License history →