Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA0AM callsign genealogy
Currently held by CAWLEY, MARK 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 AA0AM's current licensee, walking backwards.
- Moran, Andy LIAgranted 2021-04-02cancelled 2022-06-28
Successor callsigns
Callsigns held now by people who previously held AA0AM.
- CAWLEY, MARK AMNgranted 2020-05-01
All historical holders
Every license row we've seen with the callsign AA0AM, oldest first.
- CAWLEY, MARK A MN2010-09-24 → cancelled 2020-05-01
- Moran, Andy L IA2022-06-28 active