Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KN4TS callsign genealogy
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 KN4TS's current licensee, walking backwards.
- MATTHEWS, BRUCE RVAgranted 2017-10-03cancelled 2019-07-30
Successor callsigns
Callsigns held now by people who previously held KN4TS.
- HOLLAND, WILLIAM OALgranted 1998-11-12cancelled 2000-06-06
All historical holders
Every license row we've seen with the callsign KN4TS, oldest first.
- MATTHEWS, BRUCE R VA2019-07-30 active
- —— → cancelled 1998-11-12