Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA4KBT callsign genealogy
Currently held by GRIFFITH JR, EARL W
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 WA4KBT's current licensee, walking backwards.
- Griffith Jr, Earl WTNgranted 2018-10-25cancelled 2018-11-17
Successor callsigns
Callsigns held now by people who previously held WA4KBT.
No current licensee on record previously held this callsign.