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

WR9M callsign genealogy

Currently held by SELBERG, STEPHEN P

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 WR9M's current licensee, walking backwards.

  1. AD9CPcancelled· E
    WILLIAMS, JEFFERY AINgranted 2023-07-18cancelled 2024-07-02

Successor callsigns

Callsigns held now by people who previously held WR9M.

  1. WS9Dactive· E
    SELBERG, STEPHEN PCAgranted 2022-06-10

All historical holders

Every license row we've seen with the callsign WR9M, oldest first.

  • STEVENS, ROBERT B SD
    2010-01-29 → cancelled 2022-04-26
  • SELBERG, STEPHEN P CA
    2022-05-17 → cancelled 2022-06-10
  • WILLIAMS, JEFFERY A IN
    2024-07-02 active