Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KX4SA callsign genealogy
Currently held by Mallalieu, Kim I
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 KX4SA's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KX4SA.
No current licensee on record previously held this callsign.