Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI4TS callsign genealogy
Currently held by Celedon, Rafael D
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 AI4TS's current licensee, walking backwards.
- SNEAD, TRACY LNCgranted 2016-05-24cancelled 2025-01-31
Successor callsigns
Callsigns held now by people who previously held AI4TS.
- Celedon, Rafael DGAgranted 2017-10-24
All historical holders
Every license row we've seen with the callsign AI4TS, oldest first.
- Celedon, Rafael D GA2004-03-01 → cancelled 2007-10-27
- SNEAD, TRACY L NC2025-01-31 active