Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4WNW callsign genealogy
Currently held by BLACKLEY, SHEILA 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 K4WNW's current licensee, walking backwards.
- BLACKLEY, SHEILA JVAgranted 2002-12-18cancelled 2004-12-03
Successor callsigns
Callsigns held now by people who previously held K4WNW.
No current licensee on record previously held this callsign.