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

W5TXX callsign genealogy

Currently held by LYNCH, THOMAS B

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 W5TXX's current licensee, walking backwards.

  1. KI5IUBcancelled· T
    SOUTHERS, JACOB GTXgranted 2020-04-20cancelled 2020-05-08

Successor callsigns

Callsigns held now by people who previously held W5TXX.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W5TXX, oldest first.

  • LYNCH, THOMAS B TX
    2007-11-16 → cancelled 2020-02-07
  • SOUTHERS, JACOB G TX
    2020-05-08 active