Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5OTA callsign genealogy
Currently held by GARDNER, DAVID N
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 K5OTA's current licensee, walking backwards.
- Gardner, David NTXgranted 2016-01-14cancelled 2016-02-26
Successor callsigns
Callsigns held now by people who previously held K5OTA.
- GARDNER, DAVID NOKgranted 2016-02-26cancelled 2025-03-01
All historical holders
Every license row we've seen with the callsign K5OTA, oldest first.
- ROBERTS, JAMES H OK1998-07-20 → cancelled 2010-07-21
- GARDNER, DAVID N TX2016-02-26 → cancelled 2023-03-16