Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4DXG callsign genealogy
Currently held by Swamp Rat DX Group
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 K4DXG's current licensee, walking backwards.
- Lewis, Donald JTNgranted 2016-05-23cancelled 2021-09-03
Successor callsigns
Callsigns held now by people who previously held K4DXG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4DXG, oldest first.
- Swamp Rat DX Group FL2009-02-20 → cancelled 2021-02-23
- Lewis, Donald J TN2021-09-03 active