Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB4TOP callsign genealogy
Currently held by WAKE TECHNICAL COLLEGE ARC
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 WB4TOP's current licensee, walking backwards.
- MUSTIAN JR, ROBERT DNCgranted 2023-07-25cancelled 2024-02-13
- KD4UJAno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held WB4TOP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB4TOP, oldest first.
- WAKE TECHNICAL COLLEGE ARC NC2004-03-18 → cancelled 2016-06-17
- MUSTIAN Jr, ROBERT D NC2024-02-13 active