Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4WPR callsign genealogy
Currently held by ROSS, WILLIAM 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 K4WPR's current licensee, walking backwards.
- ROSS, WILLIAM PSCgranted 2010-03-15cancelled 2010-07-31
Successor callsigns
Callsigns held now by people who previously held K4WPR.
No current licensee on record previously held this callsign.