Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4DSC callsign genealogy
Currently held by GREENE, SHERRELL 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 K4DSC's current licensee, walking backwards.
- Bethea, Michael DSCgranted 2021-04-16cancelled 2021-09-18
Successor callsigns
Callsigns held now by people who previously held K4DSC.
- GREENE, SHERRELL RTNgranted 2018-08-04
All historical holders
Every license row we've seen with the callsign K4DSC, oldest first.
- GREENE, SHERRELL R TN2010-12-07 → cancelled 2018-08-04
- Bethea, Michael D SC2021-09-18 active