Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9DLR callsign genealogy
Currently held by Kotlarz, Frank N
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 N9DLR's current licensee, walking backwards.
- Rice, Dustin LINgranted 2015-10-01cancelled 2016-01-22
Successor callsigns
Callsigns held now by people who previously held N9DLR.
- Kotlarz, Frank NINgranted 2022-09-09
All historical holders
Every license row we've seen with the callsign N9DLR, oldest first.
- Kotlarz, Frank N IN2007-05-09 → cancelled 2012-08-24
- Rice, Dustin L IN2026-06-17 active