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

K7ZOO callsign genealogy

Currently held by Burd, Charles 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 K7ZOO's current licensee, walking backwards.

  1. W0RGUcancelled· G
    LAUMANN, CURT WAZgranted 2014-01-22cancelled 2015-03-13
  2. WB0UIPcancelled· G
    LAUMANN, CURT WAZgranted 2006-11-27cancelled 2014-01-22

Successor callsigns

Callsigns held now by people who previously held K7ZOO.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K7ZOO, oldest first.

  • Burd, Charles T WY
    2002-09-25 → cancelled 2014-09-26
  • LAUMANN, CURT W AZ
    2025-03-12 active