Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0EXP callsign genealogy
Currently held by CHRISTENSEN, JAMES W
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 N0EXP's current licensee, walking backwards.
- HAMMONS, SCOTT MCOgranted 2021-10-12cancelled 2022-10-08
Successor callsigns
Callsigns held now by people who previously held N0EXP.
- CHRISTENSEN, JAMES WMNgranted 2019-01-31
All historical holders
Every license row we've seen with the callsign N0EXP, oldest first.
- CHRISTENSEN, JAMES W MN2008-06-20 → cancelled 2009-04-17
- HAMMONS, SCOTT M CO2022-10-08 active