Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KV4CU callsign genealogy
Currently held by GREZLAK, STEVEN T
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 KV4CU's current licensee, walking backwards.
- GREZLAK, STEVEN TFLgranted 1996-10-07cancelled 1999-11-16
Successor callsigns
Callsigns held now by people who previously held KV4CU.
No current licensee on record previously held this callsign.