Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI4SR callsign genealogy
Currently held by SCHINGS, JAMES 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 AI4SR's current licensee, walking backwards.
- SCHINGS, JAMES RKYgranted 2003-12-09cancelled 2010-04-13
Successor callsigns
Callsigns held now by people who previously held AI4SR.
- Hickey, Michael TFLgranted 2007-04-17cancelled 2019-04-18
All historical holders
Every license row we've seen with the callsign AI4SR, oldest first.
- Hickey, Michael T FL2004-05-18 → cancelled 2007-04-17
- SCHINGS, JAMES R KY2020-01-28 active