Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB4EKT callsign genealogy
Currently held by SPENCER, MIKE C
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 WB4EKT's current licensee, walking backwards.
- Spencer, Mike CALgranted 2006-10-16cancelled 2006-12-05
Successor callsigns
Callsigns held now by people who previously held WB4EKT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB4EKT, oldest first.
- SPENCER, MIKE C AL1989-01-17 → cancelled 2001-01-18
- Spencer, Mike C AL2016-10-27 active