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

K4XB callsign genealogy

Currently held by OWENS, THOMAS R

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 K4XB's current licensee, walking backwards.

  1. KV4THcancelled· E
    OWENS, THOMAS RSCgranted 2013-01-14cancelled 2018-03-27
  2. KK4NTHcancelled· E
    OWENS, THOMAS RSCgranted 2013-01-14cancelled 2013-12-11

Successor callsigns

Callsigns held now by people who previously held K4XB.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K4XB, oldest first.

  • ALLISON, ROBERT C FL
    1996-09-16 → cancelled 2004-01-30
  • Scott, Steven A CO
    2006-03-07 → cancelled 2018-03-08
  • OWENS, THOMAS R SC
    2018-03-27 active
← Back to K4XB License history →