Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KS4WMM callsign genealogy
Currently held by MOYER, WILLIAM M
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 KS4WMM's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KS4WMM.
No current licensee on record previously held this callsign.