Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9NSJ callsign genealogy
Currently held by Jones Jr, Harold S
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 W9NSJ's current licensee, walking backwards.
- Chladek, Kevin JILgranted 2022-09-20cancelled 2025-04-11
Successor callsigns
Callsigns held now by people who previously held W9NSJ.
- Jones Jr, Harold STXgranted 2006-02-04cancelled 2018-02-06
All historical holders
Every license row we've seen with the callsign W9NSJ, oldest first.
- Jones Jr, Harold S TX2005-10-13 → cancelled 2006-02-04
- Chladek, Kevin J IL2025-04-11 active