Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KW4CAT callsign genealogy
Currently held by Harington, Thomas F
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 KW4CAT's current licensee, walking backwards.
- Harington, Thomas FNYgranted 2020-11-19cancelled 2021-03-12
Successor callsigns
Callsigns held now by people who previously held KW4CAT.
No current licensee on record previously held this callsign.