Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4TWN callsign genealogy
Currently held by Twin Rivers Amateur Radio Club
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 W4TWN's current licensee, walking backwards.
- KM4DIUcancelledTwin Rivers Amateur Radio ClubSCgranted 2014-07-30cancelled 2018-04-10
Successor callsigns
Callsigns held now by people who previously held W4TWN.
No current licensee on record previously held this callsign.