Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC0EJO callsign genealogy
Currently held by O'CONNOR, EDWIN J
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 KC0EJO's current licensee, walking backwards.
- O'CONNOR, EDWIN JKSgranted 2018-01-23cancelled 2018-02-13
Successor callsigns
Callsigns held now by people who previously held KC0EJO.
- Lubbers, Troy MMNgranted 2018-08-16
All historical holders
Every license row we've seen with the callsign KC0EJO, oldest first.
- Lubbers, Troy M MN1998-11-06 → cancelled 2003-08-18
- O'CONNOR, EDWIN J KS2018-02-13 active