Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4BUF callsign genealogy
Currently held by MERCHANT, JAMES R
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 K4BUF's current licensee, walking backwards.
- MERCHANT, JAMES RSCgranted 2018-10-23cancelled 2019-02-14
Successor callsigns
Callsigns held now by people who previously held K4BUF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4BUF, oldest first.
- SUIT, BILLY G NC1992-09-01 → cancelled 2004-09-02
- MERCHANT, JAMES R SC2019-02-14 active