Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N0DOE callsign genealogy
Currently held by SMITH, MARK O
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 N0DOE's current licensee, walking backwards.
- Goettsche, Zachary SSDgranted 2016-03-04cancelled 2022-12-02
Successor callsigns
Callsigns held now by people who previously held N0DOE.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0DOE, oldest first.
- SMITH, MARK O MO1988-08-30 → cancelled 2000-09-01
- Goettsche, Zachary S SD2022-12-02 active