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

K9BZ callsign genealogy

Currently held by FELDSTEIN, JEFFREY B

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 K9BZ's current licensee, walking backwards.

  1. N6OJUcancelled· E
    FELDSTEIN, JEFFREY BCAgranted 2003-01-03cancelled 2011-04-05
  2. KB6NWE
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held K9BZ.

  1. WP2Bcancelled· E
    ZUEHLKE, BRADFORD KVIgranted 2019-02-01cancelled 2021-01-26

All historical holders

Every license row we've seen with the callsign K9BZ, oldest first.

  • ZUEHLKE, BRADFORD K VI
    2006-09-29 → cancelled 2009-03-10
  • FELDSTEIN, JEFFREY B UT
    2021-02-02 active
← Back to K9BZ License history →