Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7LWH callsign genealogy
Currently held by LAKE WASHINGTON HAM CLUB
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 K7LWH's current licensee, walking backwards.
- KC7OIOcancelledLAKE WASHINGTON HAM CLUBWAgranted 2005-09-28cancelled 2007-05-04
Successor callsigns
Callsigns held now by people who previously held K7LWH.
No current licensee on record previously held this callsign.