Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4MLS callsign genealogy
Currently held by Pate, Matthew 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 W4MLS's current licensee, walking backwards.
- Pate, Matthew JFLgranted 2019-08-06cancelled 2019-08-24
Successor callsigns
Callsigns held now by people who previously held W4MLS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4MLS, oldest first.
- ORTON, ROYAL W FL2005-10-11 → cancelled 2017-10-24
- Pate, Matthew J FL2019-08-24 active