Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9SED callsign genealogy
Currently held by David, Michael A
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 W9SED's current licensee, walking backwards.
- David, Michael AILgranted 2013-06-17cancelled 2013-07-06
Successor callsigns
Callsigns held now by people who previously held W9SED.
No current licensee on record previously held this callsign.