Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7DTM callsign genealogy
Currently held by WEILER, HENRY 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 K7DTM's current licensee, walking backwards.
- Miller, Dale TWAgranted 2013-02-01cancelled 2013-02-26
Successor callsigns
Callsigns held now by people who previously held K7DTM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7DTM, oldest first.
- WEILER, HENRY C AZ1998-09-15 → cancelled 2010-09-16
- Miller, Dale T ID2013-02-26 → cancelled 2025-02-27