Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3NBK callsign genealogy
Currently held by COURTY, CHARLES H
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 W3NBK's current licensee, walking backwards.
- COURTY, CHRISTINE MILgranted 2013-05-14cancelled 2016-01-26
Successor callsigns
Callsigns held now by people who previously held W3NBK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3NBK, oldest first.
- COURTY, CHARLES H PA2009-12-16 → cancelled 2014-06-04
- COURTY, CHRISTINE M IL2025-11-22 active