Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W2JEM callsign genealogy
Currently held by MacKenzie, Jim
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 W2JEM's current licensee, walking backwards.
- Medley, JacobCOgranted 2020-03-02cancelled 2020-04-10
Successor callsigns
Callsigns held now by people who previously held W2JEM.
- MacKenzie, JimNJgranted 2013-06-25cancelled 2025-06-26
All historical holders
Every license row we've seen with the callsign W2JEM, oldest first.
- MacKenzie, Jim NJ2004-06-08 → cancelled 2013-06-25
- Medley, Jacob CO2020-04-10 active