Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KS4TEM callsign genealogy
Currently held by Midlands STEM Charter School Amatuer Radio Club
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 KS4TEM's current licensee, walking backwards.
- KQ4FQKcancelledMidlands STEM Charter School Amatuer Radio ClubSCgranted 2023-01-20cancelled 2023-02-07
Successor callsigns
Callsigns held now by people who previously held KS4TEM.
No current licensee on record previously held this callsign.