Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0DXX callsign genealogy
Currently held by GIST, JOHN 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 K0DXX's current licensee, walking backwards.
- Moody, Michael DMOgranted 2010-06-25cancelled 2020-02-21
Successor callsigns
Callsigns held now by people who previously held K0DXX.
- GIST, JOHN RCAgranted 2022-02-15
All historical holders
Every license row we've seen with the callsign K0DXX, oldest first.
- GIST, JOHN R CA2009-10-23 → cancelled 2012-03-10
- Moody, Michael D MO2020-02-21 active