Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4LKW callsign genealogy
Currently held by Travis, Stephen J
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 W4LKW's current licensee, walking backwards.
- King, Ryan CFLgranted 2018-03-28cancelled 2018-11-02
Successor callsigns
Callsigns held now by people who previously held W4LKW.
- Travis, Stephen JVAgranted 2015-01-21
All historical holders
Every license row we've seen with the callsign W4LKW, oldest first.
- Travis, Stephen J VA2011-01-19 → cancelled 2015-01-21
- King, Ryan C FL2018-11-02 active