Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4CBO callsign genealogy
Currently held by NCEM Central Branch
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 N4CBO's current licensee, walking backwards.
- KQ4KEDcancelledNCEM Central BranchNCgranted 2023-07-27cancelled 2023-08-29
Successor callsigns
Callsigns held now by people who previously held N4CBO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4CBO, oldest first.
- LOWMAN, ROBERT W SC2010-08-11 → cancelled 2022-11-01
- NCEM Central Branch NC2023-08-29 active