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

K7GDO callsign genealogy

Currently held by SILLS, WILLIAM A

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 K7GDO's current licensee, walking backwards.

  1. K7SDIcancelled· G
    SILLS, WILLIAM ANVgranted 2014-01-09cancelled 2020-09-22
  2. N6IUHcancelled· G
    SILLS, WILLIAM ANVgranted 1999-03-16cancelled 2004-01-03

Successor callsigns

Callsigns held now by people who previously held K7GDO.

No current licensee on record previously held this callsign.

← Back to K7GDO License history →