Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB4OBU callsign genealogy
Currently held by EMBRY, RAYMOND B
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 WB4OBU's current licensee, walking backwards.
- EMBRY, RAYMOND BNCgranted 2018-04-06cancelled 2018-09-11
Successor callsigns
Callsigns held now by people who previously held WB4OBU.
No current licensee on record previously held this callsign.