Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W8SQ callsign genealogy
Currently held by OLSON, WILLIAM L
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 W8SQ's current licensee, walking backwards.
- Olson, William LMIgranted 2003-03-13cancelled 2005-03-25
Successor callsigns
Callsigns held now by people who previously held W8SQ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W8SQ, oldest first.
- MAROWSKY, HARRY L OH1988-08-09 → cancelled 2000-08-10
- PEKAREK, KENNETH L MI2001-03-16 → cancelled 2003-02-28
- OLSON, WILLIAM L MI2025-03-15 active