Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KW4SO callsign genealogy
Currently held by MAXWELL, ROBERT 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 KW4SO's current licensee, walking backwards.
- MAXWELL, ROBERT MFLgranted 2007-11-14cancelled 2016-03-21
Successor callsigns
Callsigns held now by people who previously held KW4SO.
No current licensee on record previously held this callsign.