Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK3BVM callsign genealogy
Currently held by Duffy, John H
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 KK3BVM's current licensee, walking backwards.
- Duffy, John HDEgranted 2022-12-03cancelled 2022-12-23
Successor callsigns
Callsigns held now by people who previously held KK3BVM.
- Duffy, John HDEgranted 2023-02-14