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

KZ5O callsign genealogy

Currently held by DE SHAZO, RONDIE F

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 KZ5O's current licensee, walking backwards.

  1. K5RPGactive· G
    Harr, James ROKgranted 2018-05-01
  2. KG5ZFIcancelled· T
    Harr, James ROKgranted 2018-04-12cancelled 2018-05-01

Successor callsigns

Callsigns held now by people who previously held KZ5O.

  1. WA5ZZTcancelled· E
    ROSEE, HAROLD GTXgranted 2009-02-10cancelled 2013-05-31

All historical holders

Every license row we've seen with the callsign KZ5O, oldest first.

  • DE SHAZO, RONDIE F TX
    1996-11-04 → cancelled 2003-01-07
  • ROSEE, HAROLD G TX
    2007-08-14 → cancelled 2009-02-10
  • SHELTON, ROBERT W TX
    2021-01-29 active
← Back to KZ5O License history →