uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-14

W9JRK callsign genealogy

Currently held by Kent, Jack 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 W9JRK'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 W9JRK.

  1. K9PECactive· G
    Kent, Jack RILgranted 2019-07-24
  2. WD5TEXcancelled· T
    KOONCE, JOSEPH RILgranted 2012-08-31cancelled 2017-12-16

All historical holders

Every license row we've seen with the callsign W9JRK, oldest first.

  • BROWN, AVERELL M IN
    1993-09-14 → cancelled 2005-09-15
  • Kent, Jack R IL
    2006-10-20 → cancelled 2009-10-16
  • KOONCE, JOSEPH R IL
    2011-11-04 → cancelled 2012-08-31
← Back to W9JRK License history →