Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0ABO callsign genealogy
Currently held by COURTNEY, DANIEL 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 W0ABO's current licensee, walking backwards.
- KE0SKPcancelledFive Two One Amateur Radio ClubMOgranted 2018-07-03cancelled 2018-09-22
Successor callsigns
Callsigns held now by people who previously held W0ABO.
- W0QJactiveMidwest Amateur Radio ClubMOgranted 2018-11-24
All historical holders
Every license row we've seen with the callsign W0ABO, oldest first.
- COURTNEY, DANIEL B FL2006-03-29 → cancelled 2018-06-19
- W0ABO Midwest Amateur Radio Club MO2018-09-22 → cancelled 2018-11-24