Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9EMT callsign genealogy
Currently held by MANNIX, JAMES I
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 W9EMT's current licensee, walking backwards.
- WINSLOW, MATTHEW KPAgranted 2022-07-02cancelled 2022-07-23
Successor callsigns
Callsigns held now by people who previously held W9EMT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9EMT, oldest first.
- MANNIX, JAMES I IN2010-03-30 → cancelled 2022-04-26
- WINSLOW, MATTHEW K PA2022-07-23 active