Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA3MM callsign genealogy
Currently held by Moser, Paul J
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 AA3MM's current licensee, walking backwards.
- Moser, Paul JPAgranted 2016-05-18cancelled 2017-10-14
Successor callsigns
Callsigns held now by people who previously held AA3MM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AA3MM, oldest first.
- Kosczuk, Joseph W PA2004-04-26 → cancelled 2016-07-12
- Moser, Paul J PA2017-10-14 active