Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KW4YL callsign genealogy
Currently held by Murphy III, Russell P
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 KW4YL's current licensee, walking backwards.
- Murphy III, Russell PFLgranted 2016-03-23cancelled 2016-10-04
Successor callsigns
Callsigns held now by people who previously held KW4YL.
No current licensee on record previously held this callsign.