Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1WIL callsign genealogy
Currently held by Williams, Travis W
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 W1WIL's current licensee, walking backwards.
- Muessel, William JCOgranted 2019-07-10cancelled 2020-04-24
Successor callsigns
Callsigns held now by people who previously held W1WIL.
- Williams, Travis WNHgranted 2026-07-25
All historical holders
Every license row we've seen with the callsign W1WIL, oldest first.
- Heffner, William A MD2001-05-15 → cancelled 2013-05-16
- Williams, Travis W NH2016-09-13 → cancelled 2016-10-15
- Muessel, William J RI2020-04-24 active