Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6BU callsign genealogy
Currently held by HADJI, WILLIAM P
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 K6BU's current licensee, walking backwards.
- MILLER, ROBERT EHIgranted 2014-03-27cancelled 2019-04-19
Successor callsigns
Callsigns held now by people who previously held K6BU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6BU, oldest first.
- FRYE, LINCOLN C CA1998-05-20 → cancelled 2003-08-21
- HADJI, WILLIAM P CA2007-03-30 → cancelled 2019-04-02
- MILLER, ROBERT E HI2019-04-19 active