Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NO2I callsign genealogy
Currently held by RUYMEN, ROBERT K
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 NO2I's current licensee, walking backwards.
- Cross, David JNYgranted 2015-03-25cancelled 2017-12-19
Successor callsigns
Callsigns held now by people who previously held NO2I.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NO2I, oldest first.
- RUYMEN, ROBERT K NY2005-08-30 → cancelled 2017-11-29
- Cross, David J NY2017-12-19 active