Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC9NJO callsign genealogy
Currently held by Williams, James R
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 KC9NJO's current licensee, walking backwards.
- Williams, James RINgranted 2008-04-07cancelled 2008-04-09
Successor callsigns
Callsigns held now by people who previously held KC9NJO.
No current licensee on record previously held this callsign.