Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KT4MAC callsign genealogy
Currently held by DECATUR AMATEUR RADIO CLUB
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 KT4MAC's current licensee, walking backwards.
- KO4ZCUcancelledTEN MILE AMATEUR RADIO CLUBTNgranted 2022-03-31cancelled 2022-04-19
Successor callsigns
Callsigns held now by people who previously held KT4MAC.
- WD4TNactiveDECATUR AMATEUR RADIO CLUBTNgranted 2023-01-31