Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K8SQ callsign genealogy
Currently held by WILLIAMS, MICHAEL M
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 K8SQ's current licensee, walking backwards.
- KEATING, PAUL AOHgranted 2008-12-23cancelled 2015-09-19
Successor callsigns
Callsigns held now by people who previously held K8SQ.
All historical holders
Every license row we've seen with the callsign K8SQ, oldest first.
- Scanlon, John W OH2002-04-19 → cancelled 2003-11-11
- WILLIAMS, MICHAEL M FL2007-07-27 → cancelled 2013-08-31
- KEATING, PAUL A OH2025-08-13 active