Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4RDO callsign genealogy
Currently held by ORTKIESE, STEVE 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 N4RDO's current licensee, walking backwards.
- BALDWIN, DONNY ATNgranted 2018-11-01cancelled 2018-12-21
Successor callsigns
Callsigns held now by people who previously held N4RDO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4RDO, oldest first.
- ORTKIESE, STEVE R GA1987-09-15 → cancelled 1999-09-16
- BALDWIN, DONNY A TN2018-12-21 active