Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4ODA callsign genealogy
Currently held by ATKINSON, JOHN
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 K4ODA's current licensee, walking backwards.
- ATKINSON, JOHNSCgranted 2021-04-21cancelled 2021-05-11
Successor callsigns
Callsigns held now by people who previously held K4ODA.
- StMarie, Matthew JTNgranted 2018-03-02
All historical holders
Every license row we've seen with the callsign K4ODA, oldest first.
- StMarie, Matthew J TN2013-04-05 → cancelled 2018-03-02
- ATKINSON, JOHN SC2021-05-11 active