Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N9RLP callsign genealogy
Currently held by Potthoff, Robert L
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 N9RLP's current licensee, walking backwards.
- Potthoff, Robert LILgranted 2021-04-19cancelled 2022-04-29
Successor callsigns
Callsigns held now by people who previously held N9RLP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9RLP, oldest first.
- SEABOLT, JOHN A IN2003-06-26 → cancelled 2015-06-27
- Potthoff, Robert L IL2022-04-29 active