Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NF0R callsign genealogy
Currently held by GAUDING, DAVID F
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 NF0R's current licensee, walking backwards.
- KF0YJBcancelledSt. Louis QRP SocietyMOgranted 2026-05-06cancelled 2026-05-29
Successor callsigns
Callsigns held now by people who previously held NF0R.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NF0R, oldest first.
- GAUDING, DAVID F MO2025-08-02 → cancelled 2025-12-07
- St. Louis QRP Society MO2026-05-29 active