Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N0SIN callsign genealogy
Currently held by RILEY, JAN W
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 N0SIN's current licensee, walking backwards.
- WILSON, ROSS EUTgranted 2016-10-27cancelled 2017-01-18
Successor callsigns
Callsigns held now by people who previously held N0SIN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0SIN, oldest first.
- RILEY, JAN W MO2002-02-08 → cancelled 2014-05-06
- WILSON, ROSS E UT2017-01-18 active