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

K1JO callsign genealogy

Currently held by Owens, John F

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 K1JO's current licensee, walking backwards.

  1. KC1LMBcancelled· E
    OWENS, JOHN FMEgranted 2019-05-17cancelled 2021-02-23

Successor callsigns

Callsigns held now by people who previously held K1JO.

  1. N8COcancelled· E
    CODY, RONALD EOHgranted 2019-02-01cancelled 2019-03-26

All historical holders

Every license row we've seen with the callsign K1JO, oldest first.

  • HIPP, JOHN G NH
    2004-11-23 → cancelled 2013-12-19
  • CODY, RONALD E OH
    2016-01-08 → cancelled 2019-02-01
  • Owens, John F ME
    2021-02-23 active
← Back to K1JO License history →