Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI0D callsign genealogy
Currently held by Kroes, Richard G
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 KI0D's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KI0D.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KI0D, oldest first.
- Kroes, Richard G SD2005-01-26 → cancelled 2017-04-26
- Stallkamp, Christian L SD2017-05-16 active