Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4BSS callsign genealogy
Currently held by Sullivan, Robert B
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 N4BSS's current licensee, walking backwards.
- Sullivan, Robert BFLgranted 2015-11-18cancelled 2015-12-11
Successor callsigns
Callsigns held now by people who previously held N4BSS.
No current licensee on record previously held this callsign.