Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4BBA callsign genealogy
Currently held by Slack, Carl
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 N4BBA's current licensee, walking backwards.
- SLACK, CARLNCgranted 2024-01-24cancelled 2024-02-13
Successor callsigns
Callsigns held now by people who previously held N4BBA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4BBA, oldest first.
- LANE, DENNIS R KY2010-06-08 → cancelled 2022-09-07
- Slack, Carl NC2024-02-13 active