Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NC4HI callsign genealogy
Currently held by Nantz, Robert M
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 NC4HI's current licensee, walking backwards.
- Nantz, Robert MNCgranted 2023-05-31cancelled 2025-08-26
- KA4AKVno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held NC4HI.
- MABE, BRADLEY SNCgranted 2004-02-07cancelled 2007-02-22
All historical holders
Every license row we've seen with the callsign NC4HI, oldest first.
- MABE, BRADLEY S NC2002-09-06 → cancelled 2004-02-07
- Nantz, Robert M NC2025-08-26 active