Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7NWC callsign genealogy
Currently held by Williamson, Robert C
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 W7NWC's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W7NWC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7NWC, oldest first.
- EMERSON, WILLIAM H MT1995-11-28 → cancelled 2007-11-29
- Williamson, Robert C OR2022-03-08 active