Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD0OHI callsign genealogy
Currently held by Janssen, Steve L
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 KD0OHI's current licensee, walking backwards.
- Janssen, Steve LCOgranted 2021-03-23
Successor callsigns
Callsigns held now by people who previously held KD0OHI.
- Janssen, Steve LCOgranted 2021-03-23