Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4SGC callsign genealogy
Currently held by LEWIS, JOHNNY 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 K4SGC's current licensee, walking backwards.
- KQ4GHDcancelledSouth Georgia Contest ClubGAgranted 2023-02-18cancelled 2023-03-13
Successor callsigns
Callsigns held now by people who previously held K4SGC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4SGC, oldest first.
- LEWIS, JOHNNY R NC2009-02-21 → cancelled 2021-04-29
- South Georgia Contest Club GA2023-03-13 active