Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9YN callsign genealogy
Currently held by NORDSTROM, JON 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 K9YN's current licensee, walking backwards.
- Martin, Jay TINgranted 2023-07-21cancelled 2026-04-07
Successor callsigns
Callsigns held now by people who previously held K9YN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9YN, oldest first.
- NORDSTROM, JON R IN2013-10-24 → cancelled 2026-03-06
- Martin, Jay T IN2026-04-07 active