Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AL7M callsign genealogy
Currently held by MUSSLEWHITE, MATTHEW P
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 AL7M's current licensee, walking backwards.
- MUSSLEWHITE, MATTHEW PAKgranted 2020-09-10cancelled 2021-03-30
- WL7BXZno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held AL7M.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AL7M, oldest first.
- DUTTON, HARRY R WA2008-08-05 → cancelled 2020-08-06
- MUSSLEWHITE, MATTHEW P AK2021-03-30 active