Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0FSD callsign genealogy
Currently held by Sioux Empire ARES/SKYWARN
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 W0FSD's current licensee, walking backwards.
- KC0SSAcancelledSioux Empire ARES/SKYWARNSDgranted 2004-06-29cancelled 2004-07-27
Successor callsigns
Callsigns held now by people who previously held W0FSD.
No current licensee on record previously held this callsign.