Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9RO callsign genealogy
Currently held by Aldrich, Shane M
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 N9RO's current licensee, walking backwards.
- Aldrich, Shane MINgranted 2020-09-14cancelled 2022-08-19
Successor callsigns
Callsigns held now by people who previously held N9RO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9RO, oldest first.
- WIETLISPACH, TIMOTHY L TX2010-05-22 → cancelled 2022-08-02
- Aldrich, Shane M IN2022-08-19 active