Confidence: Medium · Source: FCC ULS · As of 2026-09-09
K7NET callsign genealogy
Currently held by COSTA, CHARLES V
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 K7NET's current licensee, walking backwards.
- COSTA, CHARLES VIDgranted 2025-12-09
Successor callsigns
Callsigns held now by people who previously held K7NET.
- COSTA, CHARLES VIDgranted 2025-12-09
All historical holders
Every license row we've seen with the callsign K7NET, oldest first.
- SYKES, EDWARD S AZ2012-02-18 → cancelled 2024-03-09
- COSTA, CHARLES V ID2025-03-04 → cancelled 2025-12-09