Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KG7OV callsign genealogy
Currently held by Woelbern, John H
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 KG7OV's current licensee, walking backwards.
- Woelbern, John HORgranted 2023-04-08cancelled 2025-03-04
- N1NVNno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KG7OV.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KG7OV, oldest first.
- O CONNOR, LOWELL L AZ1993-01-19 → cancelled 2005-01-20
- Woelbern, John H OR2025-03-04 active