Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0ACA callsign genealogy
Currently held by NELSON, WAYNE A
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 K0ACA's current licensee, walking backwards.
- Haynes, John JMOgranted 2015-05-21cancelled 2015-08-15
Successor callsigns
Callsigns held now by people who previously held K0ACA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0ACA, oldest first.
- NELSON, WAYNE A AZ1996-07-15 → cancelled 2008-07-16
- Haynes, John J MO2025-08-13 active