Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NQ4J callsign genealogy
Currently held by OHL, DAVID W
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 NQ4J's current licensee, walking backwards.
- KO4RQHcancelledZen Wireless ClubVAgranted 2021-07-01cancelled 2021-08-10
Successor callsigns
Callsigns held now by people who previously held NQ4J.
- OHL, DAVID WPAgranted 2019-07-19
All historical holders
Every license row we've seen with the callsign NQ4J, oldest first.
- OHL, DAVID W PA2012-11-07 → cancelled 2019-07-19
- Zen Wireless Club VA2021-08-10 active