Confidence: Medium · Source: FCC ULS · As of 2026-09-12
ND9S callsign genealogy
Currently held by PROUDFIT, ROBERT E
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 ND9S's current licensee, walking backwards.
- Shotwell, Nicholas MINgranted 2013-04-04cancelled 2015-08-25
Successor callsigns
Callsigns held now by people who previously held ND9S.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign ND9S, oldest first.
- PROUDFIT, ROBERT E FL2010-10-20 → cancelled 2013-08-04
- Shotwell, Nicholas M IN2025-08-12 active