Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4IZG callsign genealogy
Currently held by Graybill, Roger W
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 N4IZG's current licensee, walking backwards.
- Miller, Leonard DNCgranted 2022-11-24cancelled 2023-01-18
Successor callsigns
Callsigns held now by people who previously held N4IZG.
- Miller, Leonard DNCgranted 2026-04-21
All historical holders
Every license row we've seen with the callsign N4IZG, oldest first.
- Graybill, Roger W VA2010-04-21 → cancelled 2022-05-03
- Miller, Leonard D NC2023-01-18 → cancelled 2026-04-21