Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4BBQ callsign genealogy
Currently held by HEATON, 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 N4BBQ's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held N4BBQ.
- HEATON, WILLIAM PGAgranted 2019-03-01
All historical holders
Every license row we've seen with the callsign N4BBQ, oldest first.
- HEATON, WILLIAM P GA2010-09-08 → cancelled 2019-03-01
- PETERSEN JR, MICHAEL N FL2021-03-20 active