Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD1DA callsign genealogy
Currently held by Staley, Leon I
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 AD1DA's current licensee, walking backwards.
- Alencar, DouglasTXgranted 2026-01-22cancelled 2026-06-26
Successor callsigns
Callsigns held now by people who previously held AD1DA.
- Staley, Leon IMEgranted 2022-07-12
All historical holders
Every license row we've seen with the callsign AD1DA, oldest first.
- Staley, Leon I ME2021-12-28 → cancelled 2022-07-12
- Alencar, Douglas TX2026-06-26 active