Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9MAA callsign genealogy
Currently held by Altevogt, Michael 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 W9MAA's current licensee, walking backwards.
- Altevogt, Michael AILgranted 2018-12-13cancelled 2020-11-03
Successor callsigns
Callsigns held now by people who previously held W9MAA.
No current licensee on record previously held this callsign.