Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD0AA callsign genealogy
Currently held by Mattfield, Weldon D
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 AD0AA's current licensee, walking backwards.
- BROWN, RUSSELL LMNgranted 2023-03-07cancelled 2023-12-22
Successor callsigns
Callsigns held now by people who previously held AD0AA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AD0AA, oldest first.
- Mattfield, Weldon D MN2011-03-01 → cancelled 2023-03-02
- BROWN, RUSSELL L MN2023-12-22 active