Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W8BUS callsign genealogy
Currently held by PAROBEK, PAUL J
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 W8BUS's current licensee, walking backwards.
- Koudelka, Michael JMIgranted 2001-04-19cancelled 2008-03-25
Successor callsigns
Callsigns held now by people who previously held W8BUS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W8BUS, oldest first.
- PAROBEK, PAUL J OH1994-07-15 → cancelled 2006-07-18
- Koudelka, Michael J MI2018-03-13 active