Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0DMH callsign genealogy
Currently held by Ruckel, David A
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 N0DMH's current licensee, walking backwards.
- Ruckel, Geary BMOgranted 2026-06-30cancelled 2026-07-31
Successor callsigns
Callsigns held now by people who previously held N0DMH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0DMH, oldest first.
- HORSTMANN, LESLIE E MO2017-12-29 → cancelled 2021-08-20
- Ruckel, David A MO2023-08-15 → cancelled 2024-09-26
- Ruckel, Geary B MO2026-07-31 active