Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1MTT callsign genealogy
Currently held by HALLEIN, NED 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 W1MTT's current licensee, walking backwards.
- KNIGHT, CURTIS AMEgranted 2022-01-19cancelled 2024-03-22
Successor callsigns
Callsigns held now by people who previously held W1MTT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1MTT, oldest first.
- HALLEIN, NED E MD2008-05-10 → cancelled 2020-08-05
- KNIGHT, CURTIS A ME2024-03-22 active