Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO5AOK callsign genealogy
Currently held by COLETTA, MICHAEL A
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 KO5AOK's current licensee, walking backwards.
- COLETTA, MICHAEL ACAgranted 2021-05-21cancelled 2022-01-11
- COLETTA, MICHAEL ACAgranted 2017-02-04cancelled 2021-05-21
- COLETTA, MICHAEL ACOgranted 2012-05-25cancelled 2017-02-04
- VONDRAK, DAVID JNVgranted 2026-04-15
- Vondrak, David JNVgranted 2015-02-12cancelled 2016-06-18
Successor callsigns
Callsigns held now by people who previously held KO5AOK.
No current licensee on record previously held this callsign.