Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9JSN callsign genealogy
Currently held by Nintzel, James 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 K9JSN's current licensee, walking backwards.
- Nintzel, James SMNgranted 1997-05-06cancelled 2003-07-26
Successor callsigns
Callsigns held now by people who previously held K9JSN.
- Nintzel, James SMNgranted 2023-04-25