Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC4OG callsign genealogy
Currently held by Off Grid Radio
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 KC4OG's current licensee, walking backwards.
- KQ4BDQcancelledOff Grid RadioGAgranted 2022-06-09cancelled 2022-07-09
Successor callsigns
Callsigns held now by people who previously held KC4OG.
- WILLIAMS, LARRY JGAgranted 2022-01-15
All historical holders
Every license row we've seen with the callsign KC4OG, oldest first.
- WILLIAMS, LARRY J GA1991-05-07 → cancelled 2001-08-30
- Off Grid Radio GA2022-07-09 active