Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1SMW callsign genealogy
Currently held by Williams 461, Steve M
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 W1SMW's current licensee, walking backwards.
- Williams, Steve MTNgranted 2003-07-10cancelled 2004-06-25
Successor callsigns
Callsigns held now by people who previously held W1SMW.
No current licensee on record previously held this callsign.