Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KS4GEO callsign genealogy
Currently held by George, Karem S
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 KS4GEO's current licensee, walking backwards.
- George, Karem STNgranted 2019-11-19cancelled 2020-02-14
Successor callsigns
Callsigns held now by people who previously held KS4GEO.
No current licensee on record previously held this callsign.