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

WB5M callsign genealogy

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 WB5M's current licensee, walking backwards.

  1. W5NALcancelled· E
    PERRON, MICHAEL DLAgranted 2011-04-19cancelled 2020-01-28
  2. KF5KHRcancelled· T
    PERRON, MICHAEL DLAgranted 2011-03-29cancelled 2011-04-19

Successor callsigns

Callsigns held now by people who previously held WB5M.

  1. N5ZCactive· E
    THORNE, RICHARD MTXgranted 2017-10-17

All historical holders

Every license row we've seen with the callsign WB5M, oldest first.

  • MILLIKEN JR, EARL W TX
    2010-03-27 → cancelled 2018-01-09
  • PERRON, MICHAEL D LA
    2020-01-28 active
  • —
    — → cancelled 1997-11-25
← Back to WB5M License history →