Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD9GEO callsign genealogy
Currently held by Parsons III, William R
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 KD9GEO's current licensee, walking backwards.
- Stevenson, George EILgranted 2021-06-15cancelled 2021-07-07
Successor callsigns
Callsigns held now by people who previously held KD9GEO.
All historical holders
Every license row we've seen with the callsign KD9GEO, oldest first.
- Parsons III, William R IL2016-05-05 → cancelled 2016-08-23
- Stevenson, George E IL2021-07-07 → cancelled 2024-03-30