RTL SDR

RTL-SDR is the default SDR supported by r2cloud.

Configure

RTL-SDR is configured by default with a very reasonable options. However it is possible to fine-tune it in file ~/.r2cloud

# Comma-separated list of device indices.
sdr.devices=0
# Min/max frequency. Will be used for scheduling matched satellites
# Antenna and BPF filter can change these limits
# In that case it is better to specify manually
sdr.device.0.minFrequency=100000000
sdr.device.0.maxFrequency=1700000000
# PPM. Can be edited via r2cloud-ui
sdr.device.0.ppm=0
# gain. Can be edited via r2cloud-ui
sdr.device.0.rtlsdr.gain=45
# If several rtl-sdr dongles connected, then
# select proper index here.
# to determine available index use command: rtl_test -t
sdr.device.0.rtlsdr.index=0
# Should bais-t be enabled before every observation?
sdr.device.0.rtlsdr.biast=false
# rotctrld connection details
sdr.device.0.rotctrld.hostname=127.0.0.1
sdr.device.0.rotctrld.port=4533
sdr.device.0.rotctrld.timeout=10000
sdr.device.0.rotator.tolerance=5
sdr.device.0.rotator.cycleMillis=1000
sdr.device.0.rotator.enabled=false