Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AI5FI callsign genealogy
Currently held by McCall, Blair B
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 AI5FI's current licensee, walking backwards.
- McCall, Blair BTXgranted 2021-11-22cancelled 2021-11-29
Successor callsigns
Callsigns held now by people who previously held AI5FI.
- McCall, Blair BTXgranted 2021-12-17