Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4BSM callsign genealogy
Currently held by Floyd, William D
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 N4BSM's current licensee, walking backwards.
- MILLIGAN, BENJAMIN SGAgranted 2017-05-18cancelled 2017-06-09
Successor callsigns
Callsigns held now by people who previously held N4BSM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4BSM, oldest first.
- Floyd, William D AR2004-06-30 → cancelled 2016-08-18
- MILLIGAN, BENJAMIN S GA2017-06-09 active