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

KB5TOM callsign genealogy

Currently held by MARTIN, THOMAS P

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 KB5TOM's current licensee, walking backwards.

  1. KB1SBLcancelled· G
    MARTIN, THOMAS PCTgranted 2009-03-26cancelled 2015-08-18

Successor callsigns

Callsigns held now by people who previously held KB5TOM.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KB5TOM, oldest first.

  • SELLERS, LARRY D TX
    2002-07-02 → cancelled 2014-07-01
  • MARTIN, THOMAS P CT
    2025-05-23 active