Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N0WXX callsign genealogy
Currently held by RINGGENBERG, SHIRLEY A
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 N0WXX's current licensee, walking backwards.
- WELLS, NANCI JNEgranted 2014-01-15cancelled 2018-05-01
Successor callsigns
Callsigns held now by people who previously held N0WXX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0WXX, oldest first.
- RINGGENBERG, SHIRLEY A MO2003-04-10 → cancelled 2015-05-19
- WELLS, NANCI J NE2018-05-01 active