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

KZ7B callsign genealogy

Currently held by YORK, RICHARD L

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 KZ7B's current licensee, walking backwards.

  1. AD7IAcancelled· E
    Schuyler, Michael RWAgranted 2005-10-27cancelled 2006-04-01
  2. KE7FFLcancelled· E
    Schuyler, Michael RWAgranted 2005-10-27cancelled 2006-03-07

Successor callsigns

Callsigns held now by people who previously held KZ7B.

  1. K7LSactive· E
    Lewis, Eldon LTXgranted 2024-01-26

All historical holders

Every license row we've seen with the callsign KZ7B, oldest first.

  • YORK, RICHARD L CA
    1991-08-06 → cancelled 2003-08-07
  • Lewis, Eldon L AZ
    2003-11-18 → cancelled 2004-02-24
  • Schuyler, Michael R WA
    2026-02-21 active
← Back to KZ7B License history →