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

K8ZO callsign genealogy

Currently held by Syring Jr, Leslie J

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 K8ZO's current licensee, walking backwards.

  1. W8NKNcancelled· E
    Syring Jr, Leslie JMIgranted 2022-02-08cancelled 2024-11-13
  2. KD8NKNcancelled· G
    Syring Jr, Leslie JMIgranted 2010-03-17cancelled 2012-04-13

Successor callsigns

Callsigns held now by people who previously held K8ZO.

  1. WL3Dactive· E
    Arnett, David JAKgranted 2022-10-22

All historical holders

Every license row we've seen with the callsign K8ZO, oldest first.

  • Powers, Elmer R MI
    2007-10-09 → cancelled 2019-10-11
  • Arnett, David J AK
    2019-10-29 → cancelled 2022-10-22
  • Syring Jr, Leslie J MI
    2024-11-13 active
← Back to K8ZO License history →