Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NT0A callsign genealogy
Currently held by WILSON, ROBERT M
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 NT0A's current licensee, walking backwards.
- IRELAND, WINFIELD ECOgranted 2024-05-29cancelled 2025-03-08
Successor callsigns
Callsigns held now by people who previously held NT0A.
- IRELAND, WINFIELD ECOgranted 2024-05-29cancelled 2025-03-08
All historical holders
Every license row we've seen with the callsign NT0A, oldest first.
- WILSON, ROBERT M CA2012-01-03 → cancelled 2024-02-21
- IRELAND, WINFIELD E CO2024-03-09 → cancelled 2024-05-29
- IRELAND, WINFIELD E CO2025-03-08 active