Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI7FO callsign genealogy
Currently held by Elfbrandt, Glenn 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 AI7FO's current licensee, walking backwards.
- Elfbrandt, Glenn AORgranted 2020-06-26cancelled 2021-02-19
Successor callsigns
Callsigns held now by people who previously held AI7FO.
No current licensee on record previously held this callsign.