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

N1UO callsign genealogy

Currently held by RADCHENKO, LEO

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 N1UO's current licensee, walking backwards.

  1. AA1TNcancelled· E
    RADCHENKO, LEORIgranted 2004-04-03cancelled 2004-11-27
  2. N2WILactive· E
    HAMILTON, WILL DMDgranted 2023-01-04
  3. KD5LQGcancelled· E
    HAMILTON, WILL DMDgranted 2010-08-13cancelled 2012-12-04

Successor callsigns

Callsigns held now by people who previously held N1UO.

No current licensee on record previously held this callsign.

← Back to N1UO License history →