Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3SPX callsign genealogy
Currently held by Kurylak, Michael R
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 W3SPX's current licensee, walking backwards.
- Kurylak, Michael RPAgranted 2001-05-08cancelled 2010-05-07
Successor callsigns
Callsigns held now by people who previously held W3SPX.
No current licensee on record previously held this callsign.