Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5MSU callsign genealogy
Currently held by STIDHAM, DAVID B
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 W5MSU's current licensee, walking backwards.
- BLAYLOCK, JEREMY AMSgranted 2014-10-15cancelled 2016-11-04
Successor callsigns
Callsigns held now by people who previously held W5MSU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5MSU, oldest first.
- STIDHAM, DAVID B LA2004-06-09 → cancelled 2016-08-12
- BLAYLOCK, JEREMY A MS2026-08-14 active