Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4DSG callsign genealogy
Currently held by Deimel, Robert M
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 K4DSG's current licensee, walking backwards.
- Deimel, Robert MGAgranted 2009-07-20cancelled 2009-08-07
Successor callsigns
Callsigns held now by people who previously held K4DSG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4DSG, oldest first.
- DEIMEL, ROBERT M GA1999-01-29 → cancelled 2006-04-14
- Deimel, Robert M OK2019-05-24 active