Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4MIL callsign genealogy
Currently held by Hill Sr, Harry 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 N4MIL's current licensee, walking backwards.
- Dimitrov, MilenFLgranted 2024-11-01cancelled 2024-11-19
Successor callsigns
Callsigns held now by people who previously held N4MIL.
- Hill Sr, Harry RTNgranted 2021-03-09
All historical holders
Every license row we've seen with the callsign N4MIL, oldest first.
- LITTLE, BOYD W FL1995-03-15 → cancelled 2007-03-16
- Hill Sr, Harry R TN2017-03-12 → cancelled 2021-03-09
- Dimitrov, Milen FL2024-11-19 active