uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

K7ZIP callsign genealogy

Currently held by Zubaugh, Jennie E

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 K7ZIP's current licensee, walking backwards.

  1. KE2CEIcancelled· G
    Zubaugh, Jennie EWAgranted 2023-11-16cancelled 2024-08-24

Successor callsigns

Callsigns held now by people who previously held K7ZIP.

  1. W7ZTZcancelled· G
    KARPENSKE, DAVID SWAgranted 2020-02-01cancelled 2020-09-26

All historical holders

Every license row we've seen with the callsign K7ZIP, oldest first.

  • KARPENSKE, DAVID S WA
    2013-05-24 → cancelled 2020-02-01
  • Zubaugh, Jennie E WA
    2024-08-24 active