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

K3ACJ callsign genealogy

Currently held by Hatch, Robert 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 K3ACJ's current licensee, walking backwards.

  1. NR3MTcancelled· E
    Hatch, Robert JNYgranted 2017-05-23cancelled 2017-07-01
  2. N2OGactive· E
    BROWN, SCOTT ASCgranted 2020-12-15
  3. KN4SMOcancelled· E
    Brown, Scott ASCgranted 2019-02-19cancelled 2020-12-15

Successor callsigns

Callsigns held now by people who previously held K3ACJ.

  1. N2OGcancelled· E
    Hatch, Robert JPAgranted 2018-02-21cancelled 2018-11-24

All historical holders

Every license row we've seen with the callsign K3ACJ, oldest first.

  • JEROME, ARTHUR L PA
    1996-07-17 → cancelled 2008-07-18
  • Hatch, Robert J PA
    2017-07-01 → cancelled 2018-02-21
← Back to K3ACJ License history →