Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W2SIM callsign genealogy
Currently held by Simonsen, James E
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 W2SIM's current licensee, walking backwards.
- Simonsen, James ENJgranted 2012-03-16cancelled 2013-03-12
Successor callsigns
Callsigns held now by people who previously held W2SIM.
No current licensee on record previously held this callsign.