Confidence: Medium · Source: FCC ULS · As of 2026-10-24
W7MSF callsign genealogy
Currently held by Scheel, Mark E
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 W7MSF's current licensee, walking backwards.
- Scheel, Mark EORgranted 2025-11-20cancelled 2026-10-17
Successor callsigns
Callsigns held now by people who previously held W7MSF.
No current licensee on record previously held this callsign.