Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB4OOW callsign genealogy
Currently held by Smith Sr, Richard 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 KB4OOW's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KB4OOW.
- Smith Sr, Richard MALgranted 2018-03-13