Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI7SF callsign genealogy
Currently held by BURR, PHILLIP A
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 AI7SF's current licensee, walking backwards.
- BURR, PHILLIP AUTgranted 2017-06-20cancelled 2023-06-27
Successor callsigns
Callsigns held now by people who previously held AI7SF.
No current licensee on record previously held this callsign.