Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KV4ZH callsign genealogy
Currently held by Christman IV, William 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 KV4ZH's current licensee, walking backwards.
- Christman IV, William TKYgranted 2012-12-06cancelled 2014-07-01
Successor callsigns
Callsigns held now by people who previously held KV4ZH.
- Christman IV, William TKYgranted 2025-01-24