Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W8QJ callsign genealogy
Currently held by Knapp, Joseph 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 W8QJ's current licensee, walking backwards.
- Knapp, Joseph MOHgranted 2009-12-10cancelled 2009-12-29
Successor callsigns
Callsigns held now by people who previously held W8QJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W8QJ, oldest first.
- HAGY, HENRY W FL1997-11-25 → cancelled 2009-11-26
- Knapp, Joseph M OH2019-12-28 active