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

AG3K callsign genealogy

Currently held by GILBERT, SHELDON S

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 AG3K's current licensee, walking backwards.

  1. W4MJFactive· E
    FINCKBONE, MICHAEL JFLgranted 2015-01-03
  2. KD4BXUcancelled· T
    FINCKBONE, MICHAEL JFLgranted 2011-05-12cancelled 2015-01-03

Successor callsigns

Callsigns held now by people who previously held AG3K.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign AG3K, oldest first.

  • GILBERT, SHELDON S MD
    1994-02-22 → cancelled 2006-02-23
  • FRIOLET, MICHAEL J FL
    2017-12-13 active