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

K6SQ callsign genealogy

Currently held by FOSS, JAMES E

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 K6SQ's current licensee, walking backwards.

  1. AG6RJcancelled· E
    Six, Brian KCAgranted 2022-06-22cancelled 2023-06-06
  2. KJ6ZQKcancelled· E
    Six, Brian KCAgranted 2012-09-17cancelled 2013-01-22

Successor callsigns

Callsigns held now by people who previously held K6SQ.

  1. W7FHactive· E
    VASTA, WILLIAM MCAgranted 2021-05-18

All historical holders

Every license row we've seen with the callsign K6SQ, oldest first.

  • FOSS, JAMES E NV
    2007-02-07 → cancelled 2015-09-29
  • VASTA, WILLIAM M CA
    2017-10-20 → cancelled 2021-05-18
  • Six, Brian K CA
    2023-06-06 active
← Back to K6SQ License history →