Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4KUS callsign genealogy
Currently held by White, John 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 W4KUS's current licensee, walking backwards.
- White, John MNCgranted 2004-06-17cancelled 2008-06-27
Successor callsigns
Callsigns held now by people who previously held W4KUS.
No current licensee on record previously held this callsign.