Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC5GI callsign genealogy
Currently held by RITTER, JOHN D
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 KC5GI's current licensee, walking backwards.
- RITTER, JOHN DSDgranted 2015-08-26cancelled 2019-04-30
Successor callsigns
Callsigns held now by people who previously held KC5GI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC5GI, oldest first.
- KING, DOROTHY L OK1988-01-19 → cancelled 2000-01-20
- RITTER, JOHN D TX2019-04-30 active