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

W7ESX callsign genealogy

Currently held by ARCHIBALD, KENNETH S

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 W7ESX's current licensee, walking backwards.

  1. K6ESXcancelled· G
    ARCHIBALD, KENNETH SWAgranted 2009-12-28cancelled 2016-08-05

Successor callsigns

Callsigns held now by people who previously held W7ESX.

  1. W6ESXcancelled· G
    ARCHIBALD, KENNETH SNCgranted 2023-10-31cancelled 2026-02-03
  2. W5ESXcancelled· E
    HARNDEN, HARRISON FARgranted 2008-04-04cancelled 2010-11-20

All historical holders

Every license row we've seen with the callsign W7ESX, oldest first.

  • HARNDEN, HARRISON F AR
    2007-08-17 → cancelled 2008-04-04
  • ARCHIBALD, KENNETH S WA
    2016-08-05 → cancelled 2023-10-31
← Back to W7ESX License history →