Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W8KK callsign genealogy
Currently held by KOWALCHIK, WALTER 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 W8KK's current licensee, walking backwards.
- Laughlin, Robert SMDgranted 1996-10-10cancelled 2004-04-13
Successor callsigns
Callsigns held now by people who previously held W8KK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W8KK, oldest first.
- KOWALCHIK, WALTER J OH1995-01-23 → cancelled 2001-02-12
- LAUGHLIN, ROBERT S MD2025-11-21 active