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

KB0ZUI callsign genealogy

Currently held by LYFORD, HAROLD 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 KB0ZUI's current licensee, walking backwards.

  1. N0YJMcancelled· G
    Wheatcraft, Peggy LMOgranted 2003-06-12cancelled 2007-02-21

Successor callsigns

Callsigns held now by people who previously held KB0ZUI.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KB0ZUI, oldest first.

  • LYFORD, HAROLD C MO
    1997-02-26 → cancelled 2002-12-09
  • WHEATCRAFT, PEGGY L MO
    2016-12-05 active