Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KW4TOM callsign genealogy
Currently held by Henderson, Thomas 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 KW4TOM's current licensee, walking backwards.
- Henderson, Thomas WFLgranted 2016-06-15cancelled 2018-09-05
Successor callsigns
Callsigns held now by people who previously held KW4TOM.
- DISANTIS, THOMAS ENCgranted 2016-01-26cancelled 2018-05-22
All historical holders
Every license row we've seen with the callsign KW4TOM, oldest first.
- DISANTIS, THOMAS E NC2009-06-05 → cancelled 2016-01-26
- Henderson, Thomas W FL2018-09-05 active