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

N0NYX callsign genealogy

Currently held by MC CLAIN, ROBERT 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 N0NYX's current licensee, walking backwards.

  1. WX0ZZZcancelled· G
    Riviera, David JMNgranted 2015-05-02cancelled 2017-04-07
  2. K0DJRactive· A
    ROSENMAN, DAVIDMNgranted 2017-10-11
  3. KA9PMKcancelled· A
    Rosenman, DavidMNgranted 2017-09-07cancelled 2017-10-11

Successor callsigns

Callsigns held now by people who previously held N0NYX.

  1. WE4YDLcancelled· G
    Riviera, D JMNgranted 2018-05-25cancelled 2018-11-06

All historical holders

Every license row we've seen with the callsign N0NYX, oldest first.

  • MC CLAIN, ROBERT J WA
    1997-10-27 → cancelled 2002-07-24
  • Riviera, D J MN
    2017-04-07 → cancelled 2018-05-25
← Back to N0NYX License history →