Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N3OKU callsign genealogy
Currently held by Diem, Sandy
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 N3OKU's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held N3OKU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N3OKU, oldest first.
- FLEMING, ROBERT E PA2003-09-27 → cancelled 2015-11-11
- Diem, Sandy PA2017-12-30 active