Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0CZH callsign genealogy
Currently held by HOOKER, CARL 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 K0CZH's current licensee, walking backwards.
- HOOKER, CARL RPAgranted 2009-08-25cancelled 2017-05-23
Successor callsigns
Callsigns held now by people who previously held K0CZH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0CZH, oldest first.
- WOODLEY, DELMER R IA1997-10-21 → cancelled 2009-10-22
- HOOKER, CARL R PA2017-05-23 active