Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9WHC callsign genealogy
Currently held by Crabill Jr, William H
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 N9WHC's current licensee, walking backwards.
- Crabill Jr, William HINgranted 2024-02-28cancelled 2024-03-19
Successor callsigns
Callsigns held now by people who previously held N9WHC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9WHC, oldest first.
- KOLODZIEJ, GARY IL1994-02-22 → cancelled 2006-02-23
- Crabill Jr, William H IN2024-03-19 active