Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KA5OKO callsign genealogy
Currently held by MC CULLOUGH, JOSEPH 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 KA5OKO's current licensee, walking backwards.
- Okoro, AlbertaFLgranted 2016-06-10cancelled 2016-07-02
Successor callsigns
Callsigns held now by people who previously held KA5OKO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA5OKO, oldest first.
- MC CULLOUGH, JOSEPH A AR1996-08-01 → cancelled 2008-08-02
- Okoro, Alberta FL2016-07-02 active