Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5AIO callsign genealogy
Currently held by CHIN LAI, PAUL
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 W5AIO's current licensee, walking backwards.
- Chin-Lai, Paul DALgranted 2021-12-29cancelled 2022-01-19
Successor callsigns
Callsigns held now by people who previously held W5AIO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5AIO, oldest first.
- CHIN LAI, PAUL LA1996-01-23 → cancelled 2008-01-24
- Chin-Lai, Paul D AL2022-01-19 active