Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5OIC callsign genealogy
Currently held by Petrasek Al, Albert C
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 W5OIC's current licensee, walking backwards.
- Petrasek Al, Albert CTXgranted 2026-02-18cancelled 2026-03-21
Successor callsigns
Callsigns held now by people who previously held W5OIC.
No current licensee on record previously held this callsign.