SDRPlusPlus/root/config.json

{
    "audio": {},
    "bandPlan": "General",
    "bandPlanEnabled": true,
    "fftHeight": 300,
    "frequency": 99000000,
    "max": 0.0,
    "maximized": false,
    "menuWidth": 300,
    "min": -70.0,
    "showWaterfall": true,
    "source": "",
    "sourceSettings": {},
    "windowSize": {
        "h": 720,
        "w": 1280
    }
}