Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1CWZ callsign genealogy
Currently held by SPINAK, LAWRENCE
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 K1CWZ's current licensee, walking backwards.
- SPINAK, LAWRENCENYgranted 2003-05-20cancelled 2003-06-25
Successor callsigns
Callsigns held now by people who previously held K1CWZ.
- SPINAK, LAWRENCENYgranted 2003-05-20cancelled 2003-06-25
All historical holders
Every license row we've seen with the callsign K1CWZ, oldest first.
- SPINAK, LAWRENCE NY1997-01-23 → cancelled 2003-05-20
- SPINAK, LAWRENCE NY2013-04-09 → cancelled 2025-06-26