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

WE4YDL callsign genealogy

Currently held by Riviera, D 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 WE4YDL's current licensee, walking backwards.

  1. N0NYXcancelled· G
    Riviera, D JMNgranted 2017-04-07cancelled 2018-05-25
  2. WX0ZZZcancelled· G
    Riviera, David JMNgranted 2015-05-02cancelled 2017-04-07
  3. K0DJRactive· A
    ROSENMAN, DAVIDMNgranted 2017-10-11
  4. KA9PMKcancelled· A
    Rosenman, DavidMNgranted 2017-09-07cancelled 2017-10-11

Successor callsigns

Callsigns held now by people who previously held WE4YDL.

  1. WZ0OZTcancelled· G
    Riviera, DavidMNgranted 2018-11-06cancelled 2019-07-06
← Back to WE4YDL License history →