Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AB0UO callsign genealogy
Currently held by LYCZAK, VICTOR H
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 AB0UO's current licensee, walking backwards.
- Lyczak, Victor HKSgranted 1998-05-27cancelled 2002-04-01
Successor callsigns
Callsigns held now by people who previously held AB0UO.
No current licensee on record previously held this callsign.