Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NS6U callsign genealogy
Currently held by COSBY SR, GEORGE R
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 NS6U's current licensee, walking backwards.
- Laven, Dominic JAZgranted 2015-10-29cancelled 2020-02-22
Successor callsigns
Callsigns held now by people who previously held NS6U.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NS6U, oldest first.
- COSBY SR, GEORGE R SD2007-11-01 → cancelled 2020-01-31
- Laven, Dominic J AZ2020-02-22 active