Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI4FF callsign genealogy
Currently held by Terry, Sarah P
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 AI4FF's current licensee, walking backwards.
- Terry, Sarah PFLgranted 2004-03-03cancelled 2004-04-28
Successor callsigns
Callsigns held now by people who previously held AI4FF.
No current licensee on record previously held this callsign.