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

AE4SI callsign genealogy

Currently held by HOWELL, RICHARD L

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 AE4SI's current licensee, walking backwards.

  1. KY4AScancelled· E
    Guthrie III, John TALgranted 2020-08-25cancelled 2020-10-06

Successor callsigns

Callsigns held now by people who previously held AE4SI.

  1. K4TFactive· E
    Guthrie III, John TALgranted 2023-02-28
  2. AE4RHexpired· E
    HOWELL, RICHARD LNCgranted 2008-08-01cancelled 2020-08-04

All historical holders

Every license row we've seen with the callsign AE4SI, oldest first.

  • HOWELL, RICHARD L NC
    2003-10-28 → cancelled 2008-08-01
  • Guthrie III, John T AL
    2020-10-06 → cancelled 2023-02-28