Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4MJS callsign genealogy
Currently held by Soper, Margaret 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 W4MJS's current licensee, walking backwards.
- Soper, Margaret JVAgranted 2002-04-03cancelled 2010-03-26
Successor callsigns
Callsigns held now by people who previously held W4MJS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4MJS, oldest first.
- WERNER, CHARLES F TN1989-08-29 → cancelled 2001-08-30
- Soper, Margaret J OH2020-01-03 active