Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K8OG callsign genealogy
Currently held by GRUPP JR, OTTO 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 K8OG's current licensee, walking backwards.
- Stenger, Philip JVAgranted 2007-06-19cancelled 2007-08-24
Successor callsigns
Callsigns held now by people who previously held K8OG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K8OG, oldest first.
- GRUPP JR, OTTO E OH1996-11-01 → cancelled 2001-07-01
- Stenger, Philip J VA2017-05-31 active