Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KW4TH callsign genealogy
Currently held by Graham, Harris
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 KW4TH's current licensee, walking backwards.
- Graham, HarrisFLgranted 2016-03-24cancelled 2016-04-06
Successor callsigns
Callsigns held now by people who previously held KW4TH.
No current licensee on record previously held this callsign.