Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK7RJO callsign genealogy
Currently held by Opsal, Gregory 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 KK7RJO's current licensee, walking backwards.
- Opsal, Gregory RWAgranted 2022-10-29cancelled 2022-11-22
Successor callsigns
Callsigns held now by people who previously held KK7RJO.
No current licensee on record previously held this callsign.