Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0TWR callsign genealogy
Currently held by Lundsted, James 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 N0TWR's current licensee, walking backwards.
- Lundsted, James AMOgranted 2008-12-31cancelled 2009-01-21
Successor callsigns
Callsigns held now by people who previously held N0TWR.
- Lundsted, James AALgranted 2018-11-02
All historical holders
Every license row we've seen with the callsign N0TWR, oldest first.
- KAISER, JAMES M MN1992-08-11 → cancelled 2004-08-12
- Lundsted, James A MO2009-01-21 → cancelled 2018-11-02