Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7MSP callsign genealogy
Currently held by Peters, Marshall 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 W7MSP's current licensee, walking backwards.
- Peters, Marshall SORgranted 2016-06-22cancelled 2016-07-12
Successor callsigns
Callsigns held now by people who previously held W7MSP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7MSP, oldest first.
- SKINNER, RICHARD E OR1998-07-20 → cancelled 2010-07-21
- Peters, Marshall S OR2016-07-12 active