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

WX7L callsign genealogy

Currently held by Adamson, Brent R

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 WX7L's current licensee, walking backwards.

  1. W7ZYXcancelled· E
    Dieringer, Alan EWAgranted 2017-07-18cancelled 2020-12-22
  2. KI7OONcancelled· T
    Dieringer, Alan EWAgranted 2017-06-26cancelled 2017-07-18

Successor callsigns

Callsigns held now by people who previously held WX7L.

  1. K2SAWactive· E
    Adamson, Brent RIDgranted 2018-12-01

All historical holders

Every license row we've seen with the callsign WX7L, oldest first.

  • HARRISON, LAMOND K UT
    2008-09-12 → cancelled 2015-04-27
  • Adamson, Brent R ID
    2017-05-16 → cancelled 2018-12-01
  • Dieringer, Alan E WA
    2020-12-22 active
← Back to WX7L License history →