Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI7SP callsign genealogy
Currently held by ROBERTS, MICHAEL W
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 AI7SP's current licensee, walking backwards.
- ROBERTS, MICHAEL WWAgranted 2020-01-24cancelled 2023-07-18
Successor callsigns
Callsigns held now by people who previously held AI7SP.
No current licensee on record previously held this callsign.