Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NW7S callsign genealogy
Currently held by BULL, THOMAS J
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 NW7S's current licensee, walking backwards.
- LINDEN III, GEORGE EORgranted 2016-07-14cancelled 2020-07-07
Successor callsigns
Callsigns held now by people who previously held NW7S.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NW7S, oldest first.
- BULL, THOMAS J NV1996-05-29 → cancelled 2008-05-30
- Roe, J R Timothy T WA2008-06-17 → cancelled 2020-06-18
- LINDEN III, GEORGE E OR2020-07-07 active