op25/op25/gr-op25_repeater/apps/cfg-900.json

{
    "channels": [
        {
            "demod_type": "fsk4", 
            "destination": "udp://127.0.0.1:56120", 
            "excess_bw": 0.2, 
            "filter_type": "rc", 
            "frequency": 924975000, 
            "if_rate": 24000, 
            "name": "p25 control channel", 
            "plot": "datascope", 
            "source": "symbols:sym-cc925.dat",
            "symbol_rate": 4800
        },
        {
            "demod_type": "fsk4", 
            "destination": "udp://127.0.0.1:56124", 
            "excess_bw": 0.2, 
            "filter_type": "rc", 
            "frequency": 924925000, 
            "if_rate": 24000, 
            "name": "p25 voice channel", 
            "plot": "datascope", 
            "source": "/home/mhp/rand4.raw",
            "symbol_rate": 4800
        }
    ], 
    "devices": [
        {
            "args": "udp:127.0.0.1:25252", 
            "frequency": 924950000, 
            "gains": "", 
            "name": "udp", 
            "offset": 0, 
            "ppm": 0, 
            "rate": 120000, 
            "tunable": false
        }
    ]
}