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

K6ZW callsign genealogy

Currently held by COOPER, ORVILLE T

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 K6ZW's current licensee, walking backwards.

  1. K6SCDcancelled· E
    Dreger, Scott CCAgranted 2022-01-21cancelled 2022-07-06
  2. W6UKEcancelled· G
    Dreger, Scott CCAgranted 2014-12-05cancelled 2022-01-21
  3. KK6IZCcancelled· G
    Dreger, Scott CCAgranted 2014-01-24cancelled 2014-12-05

Successor callsigns

Callsigns held now by people who previously held K6ZW.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K6ZW, oldest first.

  • COOPER, ORVILLE T CA
    1987-12-29 → cancelled 1999-12-30
  • ZUCKSWERT, SAMUEL E CA
    2010-06-16 → cancelled 2022-06-17
  • Dreger, Scott C CA
    2022-07-06 active