Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9RAD callsign genealogy
Currently held by Brunnemer II, Robert W
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 N9RAD's current licensee, walking backwards.
- Mandelin, Paul MCAgranted 2006-05-10cancelled 2006-06-09
Successor callsigns
Callsigns held now by people who previously held N9RAD.
- Brunnemer II, Robert WINgranted 2023-02-14
All historical holders
Every license row we've seen with the callsign N9RAD, oldest first.
- Brunnemer II, Robert W IN2002-07-18 → cancelled 2003-04-29
- Mandelin, Paul M CA2016-09-02 active