Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WA0CKU callsign genealogy
Currently held by Backes, John M
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 WA0CKU's current licensee, walking backwards.
- BACKES, NANETTE TMOgranted 2005-10-20cancelled 2006-07-06
Successor callsigns
Callsigns held now by people who previously held WA0CKU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA0CKU, oldest first.
- Backes, John M MO1996-07-30 → cancelled 2001-11-04
- BACKES, NANETTE T MO2026-06-12 active