Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1DLT callsign genealogy
Currently held by KRONENBERG, MARVIN H
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 K1DLT's current licensee, walking backwards.
- TRISCH, DALE LMIgranted 2013-08-17cancelled 2020-12-29
Successor callsigns
Callsigns held now by people who previously held K1DLT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1DLT, oldest first.
- KRONENBERG, MARVIN H CT2008-05-07 → cancelled 2020-07-24
- Trisch, Dale L MI2020-12-29 active