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

W1SLC callsign genealogy

Currently held by Clark, Stuart L

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 W1SLC's current licensee, walking backwards.

  1. AF6SCcancelled· E
    Clark, Stuart LCAgranted 2020-08-21cancelled 2021-07-17
  2. AK6XRcancelled· E
    Clark, Stuart LCAgranted 2016-03-05cancelled 2020-08-21
  3. KK6RXRcancelled· E
    Clark, Stuart LCAgranted 2015-02-13cancelled 2016-03-05

Successor callsigns

Callsigns held now by people who previously held W1SLC.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W1SLC, oldest first.

  • HOLLIS JR, WALTER R RI
    2007-03-26 → cancelled 2019-05-29
  • Clark, Stuart L CA
    2021-07-17 active
← Back to W1SLC License history →