Confidence: Medium · Source: FCC ULS · As of 2026-09-11
W2USB callsign genealogy
Currently held by Keil, James 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 W2USB's current licensee, walking backwards.
- Keil, James MNJgranted 2000-11-02cancelled 2004-05-11
Successor callsigns
Callsigns held now by people who previously held W2USB.
- KEIL, JAMES MNJgranted 2007-10-27cancelled 2014-05-16