Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI5SF callsign genealogy
Currently held by FARRINGTON, SCOTT L
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 AI5SF's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AI5SF.
No current licensee on record previously held this callsign.