Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0CBZ callsign genealogy
Currently held by Hill, William L
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 N0CBZ's current licensee, walking backwards.
- Hill, William LTNgranted 2010-05-04cancelled 2011-02-15
Successor callsigns
Callsigns held now by people who previously held N0CBZ.
All historical holders
Every license row we've seen with the callsign N0CBZ, oldest first.
- HANCOCK, DONALD B MO1996-05-09 → cancelled 2000-02-08
- Hill, William L TN2011-02-15 → cancelled 2011-03-12