Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC0SI callsign genealogy
Currently held by SCHNOES, PAUL 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 AC0SI's current licensee, walking backwards.
- SCHNOES, PAUL RCOgranted 2010-04-28cancelled 2010-05-27
Successor callsigns
Callsigns held now by people who previously held AC0SI.
- SCHNOES, PAUL RNCgranted 2020-06-09