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

WA4JO callsign genealogy

Currently held by Peel Jr, Joseph C

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 WA4JO's current licensee, walking backwards.

  1. K4OWactive· E
    Overholser Jr, Jack BFLgranted 2019-09-27

Successor callsigns

Callsigns held now by people who previously held WA4JO.

  1. K4OWactive· E
    Overholser Jr, Jack BFLgranted 2019-09-27
  2. KW4JOcancelled· E
    Peel Jr, Joseph CALgranted 2013-09-04cancelled 2013-09-24

All historical holders

Every license row we've seen with the callsign WA4JO, oldest first.

  • Peel Jr, Joseph C AL
    2011-06-01 → cancelled 2013-09-04
  • Overholser Jr, Jack B FL
    2019-04-30 → cancelled 2019-09-27
← Back to WA4JO License history →