Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK3D callsign genealogy
Currently held by BUSBY, LOUIS J
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 KK3D's current licensee, walking backwards.
- Haenel, TobiasMAgranted 2019-03-28cancelled 2019-06-22
Successor callsigns
Callsigns held now by people who previously held KK3D.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KK3D, oldest first.
- BUSBY, LOUIS J MD2007-03-16 → cancelled 2019-05-29
- Haenel, Tobias MA2019-06-22 active