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

K9FZ callsign genealogy

Currently held by LAPINSKI, ALEXANDER P

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 K9FZ's current licensee, walking backwards.

  1. W9FMLcancelled· E
    Krueger, CARRIE LWIgranted 2012-09-11cancelled 2020-09-15
  2. KC9WMRcancelled· G
    Krueger, CARRIE LWIgranted 2012-08-22cancelled 2012-09-11
  3. KB9MNUcancelled· G
    Krueger, CARRIE LWIgranted 2002-08-21cancelled 2012-08-22

Successor callsigns

Callsigns held now by people who previously held K9FZ.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K9FZ, oldest first.

  • LAPINSKI, ALEXANDER P WI
    2016-12-05 → cancelled 2019-09-18
  • Krueger, CARRIE L WI
    2020-09-15 active
← Back to K9FZ License history →