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

KS8Z callsign genealogy

Currently held by Roth, Robert H

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 KS8Z's current licensee, walking backwards.

  1. KE8QFHcancelled· E
    Kidd, Joseph AOHgranted 2020-12-22cancelled 2021-02-02

Successor callsigns

Callsigns held now by people who previously held KS8Z.

  1. W8TBactive· E
    Royer, Jeffrey DOHgranted 2018-11-24
  2. W8IIactive· E
    FROST, PHILLIP JCAgranted 2016-06-21

All historical holders

Every license row we've seen with the callsign KS8Z, oldest first.

  • Roth, Robert H OH
    2004-01-06 → cancelled 2013-12-21
  • FROST, PHILLIP J MI
    2016-01-09 → cancelled 2016-06-21
  • Royer, Jeffrey D OH
    2018-07-10 → cancelled 2018-11-24
  • Kidd, Joseph A TN
    2021-02-02 active