Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9ROS callsign genealogy
Currently held by RIDENOUR, ROBERT R
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 N9ROS's current licensee, walking backwards.
- RIDENOUR, ROBERT RINgranted 2009-10-20cancelled 2012-08-07
Successor callsigns
Callsigns held now by people who previously held N9ROS.
- FISHER SR, ERNEST BILgranted 2012-09-24cancelled 2024-12-24