Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7TDM callsign genealogy
Currently held by Maggert, Tyler D
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 K7TDM's current licensee, walking backwards.
- Maggert, Tyler DCAgranted 2010-03-23cancelled 2010-07-20
Successor callsigns
Callsigns held now by people who previously held K7TDM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7TDM, oldest first.
- MILLER, CLEOLA OR1989-03-28 → cancelled 2001-03-29
- Maggert, Tyler D NV2020-05-05 active