Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7KFS callsign genealogy
Currently held by VLASIEVSKY, WILLIAM L
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 W7KFS's current licensee, walking backwards.
- VLASIEVSKY II, WILLIAM LAZgranted 1995-03-23cancelled 2002-05-07
Successor callsigns
Callsigns held now by people who previously held W7KFS.
- VLASIEVSKY, WILLIAM LAKgranted 2002-05-07cancelled 2008-06-21