Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NC4WH callsign genealogy
Currently held by HOLT, 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 NC4WH's current licensee, walking backwards.
- HOLT, WILLIAM TNCgranted 2007-09-21cancelled 2013-06-29
Successor callsigns
Callsigns held now by people who previously held NC4WH.
- HOLT, WILLIAM TMDgranted 2021-12-17