Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N0CWO callsign genealogy
Currently held by HACKER, JOHN T
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 N0CWO's current licensee, walking backwards.
- KE0RGNcancelledMidwest CWops ClubKSgranted 2018-04-17cancelled 2018-05-11
Successor callsigns
Callsigns held now by people who previously held N0CWO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0CWO, oldest first.
- HACKER, JOHN T MO1996-08-05 → cancelled 2008-08-06
- Midwest CWops Club KS2018-05-11 active