Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD9BY callsign genealogy
Currently held by Mercer, Steven R
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 AD9BY's current licensee, walking backwards.
- Mercer, Steven RWIgranted 2022-04-04cancelled 2023-04-04
Successor callsigns
Callsigns held now by people who previously held AD9BY.
No current licensee on record previously held this callsign.