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

WA5ZZT callsign genealogy

Currently held by ROSEE, HAROLD G

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 WA5ZZT's current licensee, walking backwards.

  1. W5SMUcancelled· E
    COLLINS, LARRY DARgranted 2020-10-09cancelled 2021-03-02

Successor callsigns

Callsigns held now by people who previously held WA5ZZT.

  1. W5ZZTactive· E
    ROSEE, HAROLD GTXgranted 2023-03-07
  2. W5SMUcancelled· E
    COLLINS, LARRY DARgranted 2020-10-09cancelled 2021-03-02
  3. KZ5Ocancelled· E
    ROSEE, HAROLD GTXgranted 2007-08-14cancelled 2009-02-10
  4. W5ZZTcancelled· E
    ROSEE, HAROLD GTXgranted 2003-08-19cancelled 2003-09-12

All historical holders

Every license row we've seen with the callsign WA5ZZT, oldest first.

  • ROSEE, HAROLD G TX
    1994-02-01 → cancelled 2003-08-19
  • ROSEE, HAROLD G TX
    2007-07-03 → cancelled 2007-08-14
  • ROSEE, HAROLD G TX
    2009-02-10 → cancelled 2013-05-31
  • COLLINS, LARRY D AR
    2017-02-25 → cancelled 2020-10-09
  • COLLINS, LARRY D AR
    2021-03-02 active
← Back to WA5ZZT License history →