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

K7OLY callsign genealogy

Currently held by Thompson, William C

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 K7OLY's current licensee, walking backwards.

  1. KF7WRDcancelled· T
    Hughes, Olivia RORgranted 2012-07-12cancelled 2012-07-31

Successor callsigns

Callsigns held now by people who previously held K7OLY.

  1. WA7CCNcancelled
    Capitol Ragchewers ClubWAgranted 2008-07-08cancelled 2015-12-29
  2. WM7Zcancelled· E
    Thompson, William CWAgranted 2002-05-28cancelled 2008-03-28

All historical holders

Every license row we've seen with the callsign K7OLY, oldest first.

  • Thompson, William C WA
    1998-03-31 → cancelled 2002-05-28
  • Capitol Ragchewers Club WA
    2005-08-30 → cancelled 2008-07-08
  • Hughes, Olivia R OR
    2024-05-08 active