Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3DDT callsign genealogy
Currently held by Ehrenreich, John M
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 K3DDT's current licensee, walking backwards.
- Ehrenreich, JohnMDgranted 2018-05-29cancelled 2019-11-22
Successor callsigns
Callsigns held now by people who previously held K3DDT.
No current licensee on record previously held this callsign.