Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4WRP callsign genealogy
Currently held by PYLE, WILLIAM R
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 K4WRP's current licensee, walking backwards.
- PYLE, WILLIAM RFLgranted 2009-09-14cancelled 2009-12-29
Successor callsigns
Callsigns held now by people who previously held K4WRP.
No current licensee on record previously held this callsign.