Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3MUF callsign genealogy
Currently held by STEWART, CHARLES 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 W3MUF's current licensee, walking backwards.
- STEWART, CHARLES JWVgranted 2025-05-28cancelled 2025-06-21
Successor callsigns
Callsigns held now by people who previously held W3MUF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3MUF, oldest first.
- Stewart, Charles J WV2009-07-31 → cancelled 2021-08-03
- STEWART, CHARLES J WV2025-06-21 active