Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5MSL callsign genealogy
Currently held by Lewis, Matthew S
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 W5MSL's current licensee, walking backwards.
- Lewis, Matthew SOKgranted 2019-06-06cancelled 2019-10-22
Successor callsigns
Callsigns held now by people who previously held W5MSL.
No current licensee on record previously held this callsign.