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

N4EDU callsign genealogy

Currently held by OLIVEIRA, EDUARDO 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 N4EDU's current licensee, walking backwards.

  1. KQ4ZNHcancelled· E
    Strawn, Chad AALgranted 2024-12-11cancelled 2025-07-01

Successor callsigns

Callsigns held now by people who previously held N4EDU.

  1. KF4GLactive· E
    RHODES, JAMES LWVgranted 2020-12-03
  2. WO1Bcancelled· E
    OLIVEIRA, EDUARDO CGAgranted 2016-03-01cancelled 2016-11-18

All historical holders

Every license row we've seen with the callsign N4EDU, oldest first.

  • OLIVEIRA, EDUARDO C GA
    2013-11-09 → cancelled 2016-03-01
  • Strawn, Chad A AL
    2025-07-01 active
← Back to N4EDU License history →