Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC3CA callsign genealogy
Currently held by Macia, Julio C
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 KC3CA's current licensee, walking backwards.
- Heavey, James PPAgranted 2016-05-09cancelled 2020-04-18
Successor callsigns
Callsigns held now by people who previously held KC3CA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC3CA, oldest first.
- Macia, Julio C MD2006-12-11 → cancelled 2019-02-12
- Heavey, James P PA2020-04-18 active