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

KV4SA callsign genealogy

Currently held by Chandler, Allen

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 KV4SA's current licensee, walking backwards.

  1. KX4XCcancelled· E
    Vasilopoulos, Konstadinos GFLgranted 2020-02-10cancelled 2020-02-29

Successor callsigns

Callsigns held now by people who previously held KV4SA.

  1. AC4SAactive· E
    Chandler, AllenALgranted 2023-12-01
  2. WV4Acancelled· E
    Vasilopoulos, Kostadinos GFLgranted 2021-03-13cancelled 2021-06-11

All historical holders

Every license row we've seen with the callsign KV4SA, oldest first.

  • Chandler, Allen AL
    2009-03-12 → cancelled 2013-12-10
  • Vasilopoulos, Kostadinos G FL
    2020-02-29 → cancelled 2021-03-13
← Back to KV4SA License history →