Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WA0UJO callsign genealogy
Currently held by MAISTRYK, WOLODYMYR
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 WA0UJO's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held WA0UJO.
- Maistryk, WolodymyrALgranted 2012-06-02cancelled 2014-09-09