Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB8WT callsign genealogy
Currently held by SHOWMAN, MICHAEL J
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 WB8WT's current licensee, walking backwards.
- SHOWMAN, MICHAEL JOHgranted 2010-10-08cancelled 2011-02-19
- KA8TVCno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held WB8WT.
No current licensee on record previously held this callsign.