Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KW4UM callsign genealogy
Currently held by SMITH, NAAMAN D
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 KW4UM's current licensee, walking backwards.
- Smith, Naaman DGAgranted 2016-03-23cancelled 2016-05-19
Successor callsigns
Callsigns held now by people who previously held KW4UM.
No current licensee on record previously held this callsign.