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

K6ACZ callsign genealogy

Currently held by ZAJONC, AUGUST C

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 K6ACZ's current licensee, walking backwards.

  1. KB1AUGcancelled· T
    ZAJONC, AUGUSTCAgranted 2018-12-04cancelled 2026-02-10
  2. KB1MWYcancelled· T
    ZAJONC, AUGUSTCAgranted 2015-09-22cancelled 2018-12-04

Successor callsigns

Callsigns held now by people who previously held K6ACZ.

  1. K7ACZactive· E
    ZACK, ALAN CNVgranted 2023-08-11

All historical holders

Every license row we've seen with the callsign K6ACZ, oldest first.

  • ZACK, ALAN C CA
    1997-09-17 → cancelled 2003-10-03
  • ZAJONC, AUGUST C CA
    2026-02-10 active
← Back to K6ACZ License history →