Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1WSF callsign genealogy
Currently held by Brown, James 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 W1WSF's current licensee, walking backwards.
- Brown, James RTNgranted 2017-10-05cancelled 2022-04-01
Successor callsigns
Callsigns held now by people who previously held W1WSF.
No current licensee on record previously held this callsign.