Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NX9OO callsign genealogy
Currently held by Joslin, Grady A
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 NX9OO's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held NX9OO.
No current licensee on record previously held this callsign.