Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0JEM callsign genealogy
Currently held by Manweiler, Joshua 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 W0JEM's current licensee, walking backwards.
- Manweiler, Joshua ECOgranted 2016-03-16cancelled 2016-04-05
Successor callsigns
Callsigns held now by people who previously held W0JEM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0JEM, oldest first.
- MILLER, JOHN E MN2003-02-15 → cancelled 2015-02-18
- Manweiler, Joshua E CO2026-04-07 active