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

W5SUP callsign genealogy

Currently held by FINNEY SR, THOMAS 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 W5SUP's current licensee, walking backwards.

  1. K5GUIcancelled· A
    FINNEY SR, THOMAS CTXgranted 2001-02-23cancelled 2005-03-29
  2. KA5HCAcancelled· A
    FINNEY SR, THOMAS CTXgranted 1994-10-25cancelled 2001-02-23

Successor callsigns

Callsigns held now by people who previously held W5SUP.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W5SUP, oldest first.

  • SHIELDS, WILLIAM J TX
    1988-04-26 → cancelled 2000-04-27
  • FINNEY SR, THOMAS C TX
    2015-02-07 active