Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7USP callsign genealogy
Currently held by Wang, Jim L
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 N7USP's current licensee, walking backwards.
- Wang, Jim LAZgranted 2022-05-17cancelled 2022-06-04
Successor callsigns
Callsigns held now by people who previously held N7USP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7USP, oldest first.
- CHENNAULT, ROBERT M NV1991-11-12 → cancelled 2003-11-13
- Wang, Jim L AZ2022-06-04 active