Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K8JGG callsign genealogy
Currently held by GREENOUGH, JOHN G
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 K8JGG's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K8JGG.
- GREENOUGH, JOHN GMIgranted 2022-04-05
All historical holders
Every license row we've seen with the callsign K8JGG, oldest first.
- CONRAD JR, FRED J OH1999-03-04 → cancelled 2011-03-05
- GREENOUGH, JOHN G MI2016-06-01 → cancelled 2022-04-05