Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9SPI callsign genealogy
Currently held by Sangmon Valley RC
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 W9SPI's current licensee, walking backwards.
- KC9NSQcancelledCapital Area Amateur Radio Emergency Response TeamILgranted 2008-05-28cancelled 2008-06-24
Successor callsigns
Callsigns held now by people who previously held W9SPI.
No current licensee on record previously held this callsign.