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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

AF4BW callsign genealogy

Currently held by CALVO, YLDELISA

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 AF4BW's current licensee, walking backwards.

  1. W3ZORcancelled· E
    Crosson, Jay GNCgranted 2023-07-21cancelled 2025-05-13
  2. WG3Bactive· E
    DAmbrogio, WilliamMDgranted 2025-08-09
  3. KD3BCDcancelled· E
    DAmbrogio, WilliamMDgranted 2025-04-16cancelled 2025-08-09

Successor callsigns

Callsigns held now by people who previously held AF4BW.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign AF4BW, oldest first.

  • CALVO, YLDELISA FL
    1997-04-01 → cancelled 2009-01-15
  • Crosson, Jay G NC
    2025-05-13 active
← Back to AF4BW License history →