Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5BAY callsign genealogy
Currently held by ASMORO, BAYU 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 W5BAY's current licensee, walking backwards.
- Bayani, Dr. Brian ATXgranted 2024-05-31
Successor callsigns
Callsigns held now by people who previously held W5BAY.
All historical holders
Every license row we've seen with the callsign W5BAY, oldest first.
- ASMORO, BAYU A TX2013-06-14 → cancelled 2020-06-23
- BAYANI, BRIAN A TX2022-07-15 → cancelled 2024-05-31