Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD0RG callsign genealogy
Currently held by GORDON, RICHARD E
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 KD0RG's current licensee, walking backwards.
- Gronniger, Ryan AKSgranted 2023-07-20cancelled 2025-08-26
Successor callsigns
Callsigns held now by people who previously held KD0RG.
- GORDON, RICHARD ECOgranted 2018-11-24
All historical holders
Every license row we've seen with the callsign KD0RG, oldest first.
- GORDON, RICHARD E CO2012-06-29 → cancelled 2018-11-24
- Gronniger, Ryan KS2025-08-26 active