Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KE9DMT callsign genealogy
Currently held by TROWBRIDGE, ROBERT J
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 KE9DMT's current licensee, walking backwards.
- TROWBRIDGE, ROBERT JWIgranted 2017-10-24cancelled 2025-06-11
Successor callsigns
Callsigns held now by people who previously held KE9DMT.
No current licensee on record previously held this callsign.