Confidence: Medium · Source: FCC ULS · As of 2026-09-12
ND1F callsign genealogy
Currently held by DE FELICE, ROBERT J
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 ND1F's current licensee, walking backwards.
- Rayachoty, Bharath KumarCAgranted 2024-07-18cancelled 2024-08-20
Successor callsigns
Callsigns held now by people who previously held ND1F.
- KONITSHEK, RONALD ECTgranted 2022-07-29
All historical holders
Every license row we've seen with the callsign ND1F, oldest first.
- DE FELICE, ROBERT J MA1990-11-13 → cancelled 2002-11-14
- KONITSHEK, RONALD E CT2021-03-16 → cancelled 2022-07-29
- Rayachoty, Bharath Kumar CA2024-08-20 active