Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC2DAT callsign genealogy
Currently held by CZAHUR, MICHAEL 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 KC2DAT's current licensee, walking backwards.
- CZAHUR, MICHAEL JNJgranted 2019-06-21cancelled 2024-03-19
Successor callsigns
Callsigns held now by people who previously held KC2DAT.
- CZAHUR, MICHAEL JNJgranted 2019-06-21cancelled 2024-03-19
All historical holders
Every license row we've seen with the callsign KC2DAT, oldest first.
- CZAHUR, MICHAEL J NJ2024-03-19 active
- CZAHUR, MICHAEL J— → cancelled 1999-07-09