Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AI7OI callsign genealogy
Currently held by Chew, Lip Heng
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 AI7OI's current licensee, walking backwards.
- Chew, Lip HengUTgranted 2021-04-12cancelled 2022-08-24
Successor callsigns
Callsigns held now by people who previously held AI7OI.
No current licensee on record previously held this callsign.