Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N0ATC callsign genealogy
Currently held by MILLER Jr, RALPH P
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 N0ATC's current licensee, walking backwards.
- WITTIG, CHARLES BMOgranted 2015-06-16cancelled 2021-11-13
Successor callsigns
Callsigns held now by people who previously held N0ATC.
- MILLER Jr, RALPH POKgranted 2017-03-07cancelled 2019-05-07
All historical holders
Every license row we've seen with the callsign N0ATC, oldest first.
- MANGAN, LAWRENCE J MN1998-12-23 → cancelled 2008-10-15
- MILLER Jr, RALPH P OK2015-06-19 → cancelled 2017-03-07
- WITTIG, CHARLES B MO2021-11-13 active