Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KG9MDR callsign genealogy
Currently held by Medallo, Geoffrey B
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 KG9MDR's current licensee, walking backwards.
- Medallo, Geoffrey BHIgranted 2019-08-07cancelled 2019-10-01
Successor callsigns
Callsigns held now by people who previously held KG9MDR.
- Medallo, Geoffrey BHIgranted 2020-03-20