Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4WRH callsign genealogy
Currently held by HOOKS, WILLIAM 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 K4WRH's current licensee, walking backwards.
- HOOKS, WILLIAM RNCgranted 2020-11-16cancelled 2020-12-05
Successor callsigns
Callsigns held now by people who previously held K4WRH.
- Henrick, William RNCgranted 2022-08-20
All historical holders
Every license row we've seen with the callsign K4WRH, oldest first.
- Henrick, William R NC2011-04-15 → cancelled 2012-09-04
- HOOKS, WILLIAM R NC2020-12-05 active