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

KB9MIZ callsign genealogy

Currently held by KOONCE, JOSEPH R

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 KB9MIZ's current licensee, walking backwards.

  1. W9WSMactive· T
    MARIVADA, SATYATXgranted 2025-03-05
  2. KD9CWVcancelled· T
    MARIVADA, SATYAILgranted 2015-01-26cancelled 2015-02-14

Successor callsigns

Callsigns held now by people who previously held KB9MIZ.

  1. W9WSMcancelled· T
    KOONCE, JOSEPH RILgranted 2008-04-05cancelled 2011-11-04
  2. W9WSMcancelled· T
    KOONCE, JOSEPH RILgranted 2003-02-19cancelled 2006-03-11

All historical holders

Every license row we've seen with the callsign KB9MIZ, oldest first.

  • KOONCE, JOSEPH R IL
    1996-01-12 → cancelled 2003-02-19
  • KOONCE, JOSEPH R IL
    2006-03-11 → cancelled 2008-04-05