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

KY4SL callsign genealogy

Currently held by Besso, Giorgio

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 KY4SL's current licensee, walking backwards.

  1. KO4AKMcancelled· E
    Besso, GiorgioNCgranted 2016-02-17cancelled 2022-10-24
  2. KD2HYOcancelled· G
    Besso, GiorgioNCgranted 2016-02-17cancelled 2019-12-07
  3. KI6CYVcancelled· G
    Besso, GiorgioNJgranted 2006-03-20cancelled 2015-02-07

Successor callsigns

Callsigns held now by people who previously held KY4SL.

No current licensee on record previously held this callsign.

← Back to KY4SL License history →