Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO5JAK callsign genealogy
Currently held by Blake, Patrick B
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 KO5JAK's current licensee, walking backwards.
- Blake, Patrick BTXgranted 2020-05-27cancelled 2020-06-30
Successor callsigns
Callsigns held now by people who previously held KO5JAK.
No current licensee on record previously held this callsign.