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

K6SWW callsign genealogy

Currently held by HARDING, CHARLES F

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 K6SWW's current licensee, walking backwards.

  1. KS7WATcancelled· E
    Watilo, Steven WWAgranted 2017-12-01cancelled 2018-05-04
  2. KI7RANcancelled· T
    Watilo, Steven WWAgranted 2017-10-26cancelled 2017-12-01

Successor callsigns

Callsigns held now by people who previously held K6SWW.

  1. N6WKcancelled· E
    Watilo, Steven WWAgranted 2019-12-27cancelled 2021-05-18

All historical holders

Every license row we've seen with the callsign K6SWW, oldest first.

  • HARDING, CHARLES F CA
    2005-12-21 → cancelled 2018-03-15
  • Watilo, Steven W WA
    2018-05-04 → cancelled 2019-12-27
← Back to K6SWW License history →