Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WX4MMT callsign genealogy
Currently held by Tant, Martin C
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 WX4MMT's current licensee, walking backwards.
- Tant, Martin CGAgranted 2018-02-12cancelled 2019-11-22
Successor callsigns
Callsigns held now by people who previously held WX4MMT.
- Tant, Martin CGAgranted 2019-12-27cancelled 2020-12-15