    "sdrs": {
        "rtlsdr": {
            "name": "RTL-SDR V3 PWR-D3000",
            "type": "rtl_sdr",
            "profiles": {
                "ham-2m-lo": {
                    "name": "2m ham band low",
                    "center_freq": 145000000,
                    "samp_rate": 2560000,
                    "start_freq": 144000000,
                    "start_mod": "usb",
                    "tuning_step": 1000,
                    "direct_sampling": 0,
                    "rf_gain": 24.0,
                    "waterfall_levels": {
                        "min": -65.0,
                        "max": 0.0
                    }
                },
                "ham-2m-hi": {
                    "name": "2m ham band high",
                    "center_freq": 147400000,
                    "samp_rate": 2560000,
                    "start_freq": 147200000,
                    "start_mod": "am",
                    "tuning_step": 1000,
                    "direct_sampling": 0,
                    "rf_gain": 24.0,
                    "waterfall_levels": {
                        "min": -65.0,
                        "max": 0.0
                    }
                },
                "av-beacon-108": {
                    "name": "Aviation VOR/ILS (108MHz)",
                    "center_freq": 109200000,
                    "samp_rate": 2560000,
                    "start_freq": 108000000,
                    "start_mod": "usb",
                    "tuning_step": 500,
                    "rf_gain": 16.0,
                    "waterfall_levels": {
                        "min": -65.0,
                        "max": 0.0
                    }
                },
                "av-beacon-110": {
                    "name": "Aviation VOR/ILS (110MHz)",
                    "center_freq": 111500000,
                    "samp_rate": 2560000,
                    "start_freq": 110000000,
                    "start_mod": "usb",
                    "tuning_step": 500,
                    "rf_gain": 16.0,
                    "waterfall_levels": {
                        "min": -65.0,
                        "max": 0.0
                    }
                },
                "av-beacon-112": {
                    "name": "Aviation VOR/ILS (112MHz)",
                    "center_freq": 113700000,
                    "samp_rate": 2560000,
                    "start_freq": 112000000,
                    "start_mod": "usb",
                    "tuning_step": 500,
                    "rf_gain": 16.0,
                    "waterfall_levels": {
                        "min": -65.0,
                        "max": 0.0
                    }
                },
                "av-voice-118": {
                    "name": "Aviation Voice (118MHz)",
                    "center_freq": 119200000,
                    "samp_rate": 2560000,
                    "start_freq": 118000000,
                    "start_mod": "am",
                    "tuning_step": 500,
                    "rf_gain": 16.0,
                    "waterfall_levels": {
                        "min": -65.0,
                        "max": 0.0
                    }
                },
                "av-voice-120": {
                    "name": "Aviation Voice (120MHz)",
                    "center_freq": 121200000,
                    "samp_rate": 2560000,
                    "start_freq": 120000000,
                    "start_mod": "am",
                    "tuning_step": 500,
                    "rf_gain": 16.0,
                    "waterfall_levels": {
                        "min": -65.0,
                        "max": 0.0
                    }
                },
                "av-voice-122": {
                    "name": "Aviation Voice (122MHz)",
                    "center_freq": 123200000,
                    "samp_rate": 2560000,
                    "start_freq": 122000000,
                    "start_mod": "am",
                    "tuning_step": 500,
                    "rf_gain": 16.0,
                    "waterfall_levels": {
                        "min": -65.0,
                        "max": 0.0
                    }
                },
                "av-voice-124": {
                    "name": "Aviation Voice (124MHz)",
                    "center_freq": 125200000,
                    "samp_rate": 2560000,
                    "start_freq": 124000000,
                    "start_mod": "am",
                    "tuning_step": 500,
                    "rf_gain": 16.0,
                    "waterfall_levels": {
                        "min": -65.0,
                        "max": 0.0
                    }
                },
                "av-voice-126": {
                    "name": "Aviation Voice (126MHz)",
                    "center_freq": 127200000,
                    "samp_rate": 2560000,
                    "start_freq": 126000000,
                    "start_mod": "am",
                    "tuning_step": 500,
                    "rf_gain": 16.0,
                    "waterfall_levels": {
                        "min": -65.0,
                        "max": 0.0
                    }
                },
                "av-voice-128": {
                    "name": "Aviation Voice (128MHz)",
                    "center_freq": 129200000,
                    "samp_rate": 2560000,
                    "start_freq": 128000000,
                    "start_mod": "am",
                    "tuning_step": 500,
                    "rf_gain": 16.0,
                    "waterfall_levels": {
                        "min": -65.0,
                        "max": 0.0
                    }
                },
                "av-voice-130": {
                    "name": "Aviation Voice (130MHz)",
                    "center_freq": 131200000,
                    "samp_rate": 2560000,
                    "start_freq": 130000000,
                    "start_mod": "am",
                    "tuning_step": 500,
                    "rf_gain": 16.0,
                    "waterfall_levels": {
                        "min": -65.0,
                        "max": 0.0
                    }
                },
                "av-voice-132": {
                    "name": "Aviation Voice (132MHz)",
                    "center_freq": 133200000,
                    "samp_rate": 2560000,
                    "start_freq": 132000000,
                    "start_mod": "am",
                    "tuning_step": 500,
                    "rf_gain": 16.0,
                    "waterfall_levels": {
                        "min": -65.0,
                        "max": 0.0
                    }
                },
                "av-voice-134": {
                    "name": "Aviation Voice (134MHz)",
                    "center_freq": 134200000,
                    "samp_rate": 2560000,
                    "start_freq": 134000000,
                    "start_mod": "am",
                    "tuning_step": 500,
                    "rf_gain": 16.0,
                    "waterfall_levels": {
                        "min": -65.0,
                        "max": 0.0
                    }
                },
                "av-voice-136": {
                    "name": "Aviation Voice (136MHz)",
                    "center_freq": 137200000,
                    "samp_rate": 2560000,
                    "start_freq": 136000000,
                    "start_mod": "am",
                    "tuning_step": 500,
                    "rf_gain": 16.0,
                    "waterfall_levels": {
                        "min": -65.0,
                        "max": 0.0
                    }
                },
                "polar-sat": {
                    "name": "Polar Orbit Sat",
                    "center_freq": 138200000,
                    "samp_rate": 2560000,
                    "start_freq": 156000000,
                    "start_mod": "nfm",
                    "tuning_step": 500,
                    "rf_gain": 28.0,
                    "waterfall_levels": {
                        "min": -65.0,
                        "max": 0.0
                    }
                },
                "marine-vhf-156": {
                    "name": "Marine (156MHz)",
                    "center_freq": 157150000,
                    "samp_rate": 2560000,
                    "start_freq": 156000000,
                    "start_mod": "nfm",
                    "tuning_step": 500,
                    "rf_gain": 28.0,
                    "waterfall_levels": {
                        "min": -65.0,
                        "max": 0.0
                    }
                },
                "marine-vhf-159": {
                    "name": "Marine (159MHz)",
                    "center_freq": 159600000,
                    "samp_rate": 2560000,
                    "start_freq": 158000000,
                    "start_mod": "nfm",
                    "tuning_step": 500,
                    "rf_gain": 28.0,
                    "waterfall_levels": {
                        "min": -65.0,
                        "max": 0.0
                    }
                },
                "marine-vhf-162-ais": {
                    "name": "Marine (162MHz, AIS)",
                    "center_freq": 162000000,
                    "samp_rate": 2560000,
                    "start_freq": 162000000,
                    "start_mod": "nfm",
                    "tuning_step": 500,
                    "rf_gain": 28.0,
                    "waterfall_levels": {
                        "min": -65.0,
                        "max": 0.0
                    }
                },
                "ham-125cm-lo": {
                    "name": "1.25m ham band low",
                    "center_freq": 223200000,
                    "samp_rate": 2560000,
                    "start_freq": 222000000,
                    "start_mod": "usb",
                    "tuning_step": 500,
                    "rf_gain": 24.0
                },
                "ham-125cm-hi": {
                    "name": "1.25m ham band high",
                    "center_freq": 223800000,
                    "samp_rate": 2560000,
                    "start_freq": 225000000,
                    "start_mod": "usb",
                    "tuning_step": 500,
                    "rf_gain": 24.0
                },
                "ham-70cm-lo": {
                    "name": "70cm ham band low",
                    "center_freq": 432800000,
                    "samp_rate": 2560000,
                    "start_freq": 432000000,
                    "start_mod": "usb",
                    "tuning_step": 1000,
                    "direct_sampling": 0,
                    "rf_gain": 24.0,
                    "waterfall_levels": {
                        "min": -80.0,
                        "max": 0.0
                    }
                },
                "ham-70cm-hi": {
                    "name": "70cm ham band high",
                    "center_freq": 435700000,
                    "samp_rate": 2560000,
                    "start_freq": 434925000,
                    "start_mod": "usb",
                    "tuning_step": 500,
                    "direct_sampling": 0,
                    "rf_gain": 24.0,
                    "waterfall_levels": {
                        "min": -80.0,
                        "max": 0.0
                    }
                },
                "lpd433-ism": {
                    "name": "433MHz ISM band (LPD433)",
                    "rf_gain": 25.0,
                    "center_freq": 433525000,
                    "samp_rate": 2560000,
                    "start_freq": 433920000,
                    "start_mod": "ism",
                    "tuning_step": 500,
                    "direct_sampling": 0,
                    "waterfall_levels": {
                        "min": -80.0,
                        "max": 0.0
                    }
                },
                "pmr446": {
                    "name": "PMR446 band",
                    "center_freq": 446100000,
                    "samp_rate": 2560000,
                    "start_freq": 446000000,
                    "start_mod": "nfm",
                    "tuning_step": 1000,
                    "direct_sampling": 0,
                    "rf_gain": 23.0,
                    "waterfall_levels": {
                        "min": -80.0,
                        "max": 0.0
                    }
                },
                "adsb-978": {
                    "name": "ADS-B (978MHz)",
                    "center_freq": 978100000,
                    "samp_rate": 2560000,
                    "start_freq": 978000000,
                    "start_mod": "adsb",
                    "tuning_step": 100,
                    "rf_gain": 40.0
                },
                "adsb-1090": {
                    "name": "ADS-B (1090MHz)",
                    "center_freq": 1090100000,
                    "samp_rate": 2560000,
                    "start_freq": 1090000000,
                    "start_mod": "adsb",
                    "tuning_step": 100,
                    "rf_gain": 38.6,
                    "bias_tee": false
                },
                "srd-863": {
                    "name": "SRD860 (863MHz)",
                    "center_freq": 864000000,
                    "samp_rate": 2560000,
                    "start_freq": 863000000,
                    "start_mod": "nfm",
                    "tuning_step": 500,
                    "rf_gain": 16.0,
                    "waterfall_levels": {
                        "min": -85.0,
                        "max": 0.0
                    }
                },
                "srd-865": {
                    "name": "SRD860 (865MHz)",
                    "center_freq": 866000000,
                    "samp_rate": 2560000,
                    "start_freq": 865000000,
                    "start_mod": "nfm",
                    "tuning_step": 500,
                    "rf_gain": 22.0,
                    "waterfall_levels": {
                        "min": -75.0,
                        "max": 0.0
                    }
                },
                "srd-867": {
                    "name": "SRD860 (867MHz)",
                    "center_freq": 868000000,
                    "samp_rate": 2560000,
                    "start_freq": 867000000,
                    "start_mod": "nfm",
                    "tuning_step": 1,
                    "rf_gain": 22.0,
                    "waterfall_levels": {
                        "min": -75.0,
                        "max": 0.0
                    }
                },
                "srd-869": {
                    "name": "SRD860 (869MHz)",
                    "center_freq": 870000000,
                    "samp_rate": 2560000,
                    "start_freq": 869000000,
                    "start_mod": "nfm",
                    "tuning_step": 500,
                    "rf_gain": 22.0,
                    "waterfall_levels": {
                        "min": -75.0,
                        "max": 0.0
                    }
                }
            },
            "always-on": true,
            "services": true,
            "key_locked": false,
            "direct_sampling": 0,
            "bias_tee": true,
            "device": "00001003"
        },
        "1838a883-ecbb-4063-9326-a49916e8f1ee": {
            "name": "RTL-SDR V4 MLA-30+",
            "type": "rtl_sdr",
            "profiles": {
                "lw-mw-bcast": {
                    "name": "LW/MW broadcast",
                    "center_freq": 1500000,
                    "samp_rate": 2560000,
                    "start_freq": 1485000,
                    "start_mod": "am",
                    "tuning_step": 50,
                    "waterfall_levels": {
                        "min": -60.0,
                        "max": -5.0
                    }
                },
                "ham-160m": {
                    "name": "160m ham band",
                    "center_freq": 1900000,
                    "samp_rate": 2560000,
                    "start_freq": 1800000,
                    "start_mod": "am",
                    "tuning_step": 50,
                    "waterfall_levels": {
                        "min": -60.0,
                        "max": -5.0
                    }
                },
                "sw-bcast-2300": {
                    "name": "SW broadcast (2.3MHz)",
                    "center_freq": 2380000,
                    "samp_rate": 2560000,
                    "start_freq": 2300000,
                    "start_mod": "am",
                    "tuning_step": 50,
                    "waterfall_levels": {
                        "min": -60.0,
                        "max": -5.0
                    }
                },
                "ham-8m": {
                    "name": "80m ham band",
                    "center_freq": 3750000,
                    "samp_rate": 2560000,
                    "start_freq": 3500000,
                    "start_mod": "am",
                    "tuning_step": 50,
                    "waterfall_levels": {
                        "min": -60.0,
                        "max": -5.0
                    }
                },
                "sw-bcast-3950": {
                    "name": "SW broadcast (3.95MHz)",
                    "center_freq": 3950000,
                    "samp_rate": 2560000,
                    "start_freq": 4000000,
                    "start_mod": "am",
                    "tuning_step": 50,
                    "waterfall_levels": {
                        "min": -55.0,
                        "max": 0.0
                    }
                },
                "ham-60m": {
                    "name": "60m ham band",
                    "center_freq": 5357500,
                    "samp_rate": 2560000,
                    "start_freq": 5351500,
                    "start_mod": "am",
                    "tuning_step": 100,
                    "waterfall_levels": {
                        "min": -55.0,
                        "max": 0.0
                    }
                },
                "sw-bcast-5900": {
                    "name": "SW broadcast (5.9MHz)",
                    "center_freq": 6000000,
                    "samp_rate": 2560000,
                    "start_freq": 5900000,
                    "start_mod": "am",
                    "tuning_step": 100,
                    "waterfall_levels": {
                        "min": -55.0,
                        "max": -5.0
                    }
                },
                "ham-40m": {
                    "name": "40m ham band",
                    "center_freq": 7100000,
                    "samp_rate": 2560000,
                    "start_freq": 7200000,
                    "start_mod": "am",
                    "tuning_step": 100,
                    "waterfall_levels": {
                        "min": -45.0,
                        "max": -5.0
                    }
                },
                "sw-bcast-9400": {
                    "name": "SW broadcast (9.4MHz)",
                    "center_freq": 9750000,
                    "samp_rate": 2560000,
                    "start_freq": 9400000,
                    "start_mod": "am",
                    "tuning_step": 100,
                    "waterfall_levels": {
                        "min": -55.0,
                        "max": -5.0
                    }
                },
                "ham-30m": {
                    "name": "30m ham band",
                    "center_freq": 10125000,
                    "samp_rate": 2560000,
                    "start_freq": 10100000,
                    "start_mod": "am",
                    "tuning_step": 100,
                    "waterfall_levels": {
                        "min": -55.0,
                        "max": 0.0
                    }
                },
                "sw-bcast-11600": {
                    "name": "SW broadcast (11.6MHz)",
                    "center_freq": 11750000,
                    "samp_rate": 2560000,
                    "start_freq": 11600000,
                    "start_mod": "am",
                    "tuning_step": 100,
                    "waterfall_levels": {
                        "min": -50.0,
                        "max": 0.0
                    }
                },
                "sw-bcast-13500": {
                    "name": "SW broadcast (13.5MHz)",
                    "center_freq": 13720000,
                    "samp_rate": 2560000,
                    "start_freq": 13570000,
                    "start_mod": "am",
                    "tuning_step": 100,
                    "waterfall_levels": {
                        "min": -50.0,
                        "max": 0.0
                    }
                },
                "ham-20m": {
                    "name": "20m ham band",
                    "center_freq": 14175000,
                    "samp_rate": 2560000,
                    "start_freq": 14000000,
                    "start_mod": "am",
                    "tuning_step": 100,
                    "waterfall_levels": {
                        "min": -50.0,
                        "max": 0.0
                    }
                },
                "sw-bcast-15100": {
                    "name": "SW broadcast (15.1MHz)",
                    "center_freq": 15500000,
                    "samp_rate": 2560000,
                    "start_freq": 15100000,
                    "start_mod": "am",
                    "tuning_step": 100,
                    "waterfall_levels": {
                        "min": -50.0,
                        "max": 0.0
                    }
                },
                "sw-bcast-17500": {
                    "name": "SW broadcast (17.5MHz)",
                    "center_freq": 17720000,
                    "samp_rate": 2560000,
                    "start_freq": 17480000,
                    "start_mod": "am",
                    "tuning_step": 100,
                    "waterfall_levels": {
                        "min": -55.0,
                        "max": 0.0
                    }
                },
                "ham-17m": {
                    "name": "17m ham band",
                    "center_freq": 18118000,
                    "samp_rate": 2560000,
                    "start_freq": 18068000,
                    "start_mod": "am",
                    "tuning_step": 100,
                    "waterfall_levels": {
                        "min": -55.0,
                        "max": 0.0
                    }
                },
                "sw-bcast-18900": {
                    "name": "SW broadcast (18.9MHz)",
                    "center_freq": 19000000,
                    "samp_rate": 2560000,
                    "start_freq": 18900000,
                    "start_mod": "am",
                    "tuning_step": 100,
                    "waterfall_levels": {
                        "min": -55.0,
                        "max": 0.0
                    }
                },
                "ham-15m": {
                    "name": "15m ham band",
                    "center_freq": 21220000,
                    "samp_rate": 2560000,
                    "start_freq": 21000000,
                    "start_mod": "am",
                    "tuning_step": 100,
                    "waterfall_levels": {
                        "min": -55.0,
                        "max": 0.0
                    }
                },
                "ham-12m": {
                    "name": "12m ham band",
                    "center_freq": 24940000,
                    "samp_rate": 2560000,
                    "start_freq": 24890000,
                    "start_mod": "am",
                    "tuning_step": 100,
                    "waterfall_levels": {
                        "min": -60.0,
                        "max": 0.0
                    }
                },
                "sw-bcast-25700": {
                    "name": "SW broadcast (25.7MHz)",
                    "center_freq": 25870000,
                    "samp_rate": 2560000,
                    "start_freq": 25670000,
                    "start_mod": "am",
                    "tuning_step": 100,
                    "waterfall_levels": {
                        "min": -60.0,
                        "max": 0.0
                    }
                },
                "cb": {
                    "name": "CB band",
                    "center_freq": 27260000,
                    "samp_rate": 2560000,
                    "start_freq": 26960000,
                    "start_mod": "am",
                    "tuning_step": 100,
                    "waterfall_levels": {
                        "min": -60.0,
                        "max": 0.0
                    }
                },
                "ham-10m": {
                    "name": "10m ham band",
                    "center_freq": 28900000,
                    "samp_rate": 2560000,
                    "start_freq": 28000000,
                    "start_mod": "am",
                    "tuning_step": 100,
                    "waterfall_levels": {
                        "min": -65.0,
                        "max": 0.0
                    }
                },
                "ham-6m-lo": {
                    "name": "6m ham band low",
                    "center_freq": 51000000,
                    "samp_rate": 2560000,
                    "start_freq": 50000000,
                    "start_mod": "am",
                    "tuning_step": 500,
                    "direct_sampling": 0,
                    "rf_gain": 24.0,
                    "waterfall_levels": {
                        "min": -65.0,
                        "max": 0.0
                    }
                },
                "ham-6m-hi": {
                    "name": "6m ham band high",
                    "center_freq": 53000000,
                    "samp_rate": 2560000,
                    "start_freq": 54000000,
                    "start_mod": "am",
                    "tuning_step": 500,
                    "direct_sampling": 0,
                    "rf_gain": 24.0,
                    "waterfall_levels": {
                        "min": -65.0,
                        "max": 0.0
                    }
                }
            },
            "device": "00001004",
            "bias_tee": true,
            "waterfall_levels": {
                "min": -40.0,
                "max": 0.0
            },
            "always-on": true,
            "services": true,
            "rf_gain": 28.0
        }
    },
