Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N9RJP callsign genealogy
Currently held by PETERSON, 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 N9RJP's current licensee, walking backwards.
- PETERS III, ROBERT JILgranted 2018-11-20cancelled 2018-12-27
Successor callsigns
Callsigns held now by people who previously held N9RJP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9RJP, oldest first.
- PETERSON, DAVID F WI2003-04-15 → cancelled 2014-11-18
- PETERS III, ROBERT J IL2018-12-27 active