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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

AG4YL callsign genealogy

Currently held by Glemser, Melanie A

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 AG4YL's current licensee, walking backwards.

  1. KW4MUcancelled· E
    Glemser, Melanie AGAgranted 2014-12-22cancelled 2016-01-05
  2. KM4GQNcancelled· E
    Glemser, Melanie AGAgranted 2014-12-22cancelled 2015-09-25

Successor callsigns

Callsigns held now by people who previously held AG4YL.

  1. AG7YLactive· E
    Glemser, Melanie AAZgranted 2025-12-19
  2. K2DABactive· E
    BEAR, DAVID ASCgranted 2023-06-22

All historical holders

Every license row we've seen with the callsign AG4YL, oldest first.

  • Bear, David A NC
    2002-11-14 → cancelled 2003-03-21
  • Glemser, Melanie A AZ
    2016-01-05 → cancelled 2025-12-19
← Back to AG4YL License history →