Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7WDZ callsign genealogy
Currently held by HOLMGREN, CHAD 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 N7WDZ's current licensee, walking backwards.
- Heiter Jr, EugeneNVgranted 2019-10-11cancelled 2023-01-24
Successor callsigns
Callsigns held now by people who previously held N7WDZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7WDZ, oldest first.
- HOLMGREN, CHAD R UT1992-02-04 → cancelled 2004-02-05
- Heiter Jr, Eugene NV2023-01-24 active