Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO7JBT callsign genealogy
Currently held by Happe, Richard L
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 KO7JBT's current licensee, walking backwards.
- Happe, Richard LORgranted 2017-04-05cancelled 2017-04-28
Successor callsigns
Callsigns held now by people who previously held KO7JBT.
No current licensee on record previously held this callsign.