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

W5ZZT 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 W5ZZT's current licensee, walking backwards.

  1. WA5ZZTactive· E
    COLLINS, LARRY DARgranted 2021-03-02
  2. W5SMUcancelled· E
    COLLINS, LARRY DARgranted 2020-10-09cancelled 2021-03-02

Successor callsigns

Callsigns held now by people who previously held W5ZZT.

  1. WA5ZZTcancelled· E
    ROSEE, HAROLD GTXgranted 2007-07-03cancelled 2007-08-14
  2. NY5Fcancelled· E
    ROSEE, HAROLD GTXgranted 2003-09-12cancelled 2003-11-14

All historical holders

Every license row we've seen with the callsign W5ZZT, oldest first.

  • ROSEE, HAROLD G TX
    2003-08-19 → cancelled 2003-09-12
  • ROSEE, HAROLD G TX
    2003-11-14 → cancelled 2007-07-03
  • ROSEE, HAROLD G TX
    2023-03-07 active
← Back to W5ZZT License history →