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

W5ATX callsign genealogy

Currently held by JOHNSON, CHRISTOPHER 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 W5ATX's current licensee, walking backwards.

  1. K5APDactive· G
    Styck, James DNMgranted 2021-08-17
  2. KD5JDScancelled· G
    Styck, James DNMgranted 2019-03-05cancelled 2021-08-17
  3. KI5CZOcancelled· G
    Styck, James DNMgranted 2019-01-31cancelled 2019-03-05

Successor callsigns

Callsigns held now by people who previously held W5ATX.

  1. WA2ZDYexpired· E
    JOHNSON, CHRISTOPHER AFLgranted 2003-02-21cancelled 2015-02-24

All historical holders

Every license row we've seen with the callsign W5ATX, oldest first.

  • JOHNSON, CHRISTOPHER A NJ
    1997-03-05 → cancelled 2003-02-21
  • DREHER, LOYD W TX
    2005-07-19 → cancelled 2017-07-20
  • RINGUETTE, MARK TX
    2017-12-08 active
← Back to W5ATX License history →