irisheyes5@irisheyes5-hp-z240-sff:~$ rx_samples_to_file --args="addr=192.168.10.2,clock_source=external,rx_lo_source=internal" --freq=2442e6 --rate=31.25e6 --gain=70 --duration=2 --channel="0" --file="/media/ramfolder/usrp_samples.dat0" Creating the usrp device with: addr=192.168.10.2,clock_source=external,rx_lo_source=internal... [INFO] [UHD] linux; GNU C++ version 5.4.0 20160609; Boost_105800; UHD_3.11.0.1-0-ga1b5c4ae [INFO] [MPMD] Initializing 1 device(s) in parallel with args: mgmt_addr=192.168.10.2,type=n3xx,product=n310,serial=3144673,claimed=False,addr=192.168.10.2,clock_source=external,rx_lo_source=internal [INFO] [MPM.PeriphManager] init() called with device args `rx_lo_source=internal,product=n310,mgmt_addr=192.168.10.2,clock_source=external'. [INFO] [RFNOC DMA FIFO] Running BIST for FIFO 0... [INFO] [RFNOC DMA FIFO] BIST passed (Throughput: 1318 MB/s) [INFO] [RFNOC DMA FIFO] Running BIST for FIFO 1... [INFO] [RFNOC DMA FIFO] BIST passed (Throughput: 1333 MB/s) [INFO] [RFNOC DMA FIFO] Running BIST for FIFO 2... [INFO] [RFNOC DMA FIFO] BIST passed (Throughput: 1326 MB/s) [INFO] [RFNOC DMA FIFO] Running BIST for FIFO 3... [INFO] [RFNOC DMA FIFO] BIST passed (Throughput: 1330 MB/s) [INFO] [RFNOC RADIO] Register loopback test passed [INFO] [RFNOC RADIO] Register loopback test passed [INFO] [RFNOC RADIO] Register loopback test passed [INFO] [RFNOC RADIO] Register loopback test passed [INFO] [CORES] Performing timer loopback test... [INFO] [CORES] Timer loopback test passed [INFO] [CORES] Performing timer loopback test... [INFO] [CORES] Timer loopback test passed [INFO] [CORES] Performing timer loopback test... [INFO] [CORES] Timer loopback test passed [INFO] [CORES] Performing timer loopback test... [INFO] [CORES] Timer loopback test passed [WARNING] [MPMD] Setting clock source at runtime is currently not supported. Use clock_source=XXX as a device arg to select a clock source. The current source is: external Using Device: Single USRP: Device: N300-Series Device Mboard 0: ni-n3xx-3144673 RX Channel: 0 RX DSP: 0 RX Dboard: A RX Subdev: Magnesium RX Channel: 1 RX DSP: 0 RX Dboard: B RX Subdev: Magnesium RX Channel: 2 RX DSP: 0 RX Dboard: C RX Subdev: Magnesium RX Channel: 3 RX DSP: 0 RX Dboard: D RX Subdev: Magnesium TX Channel: 0 TX DSP: 0 TX Dboard: A TX Subdev: Magnesium TX Channel: 1 TX DSP: 0 TX Dboard: B TX Subdev: Magnesium TX Channel: 2 TX DSP: 0 TX Dboard: C TX Subdev: Magnesium TX Channel: 3 TX DSP: 0 TX Dboard: D TX Subdev: Magnesium Setting RX Rate: 31.250000 Msps... Actual RX Rate: 31.250000 Msps... Setting RX Freq: 2442.000000 MHz... Actual RX Freq: 2442.000000 MHz... Setting RX Gain: 70.000000 dB... Actual RX Gain: 70.000000 dB... Waiting for "lo_locked": ++++++++++ locked. Press Ctrl + C to stop streaming... Done! irisheyes5@irisheyes5-hp-z240-sff:~$ rx_samples_to_file --args="addr=192.168.10.2,clock_source=external,rx_lo_source=external" --freq=2442e6 --rate=31.25e6 --gain=70 --duration=2 --channel="0" --file="/media/ramfolder/usrp_samples.dat1" Creating the usrp device with: addr=192.168.10.2,clock_source=external,rx_lo_source=external... [INFO] [UHD] linux; GNU C++ version 5.4.0 20160609; Boost_105800; UHD_3.11.0.1-0-ga1b5c4ae [INFO] [MPMD] Initializing 1 device(s) in parallel with args: mgmt_addr=192.168.10.2,type=n3xx,product=n310,serial=3144673,claimed=False,addr=192.168.10.2,clock_source=external,rx_lo_source=external [INFO] [MPM.PeriphManager] init() called with device args `rx_lo_source=external,product=n310,mgmt_addr=192.168.10.2,clock_source=external'. [INFO] [RFNOC DMA FIFO] Running BIST for FIFO 0... [INFO] [RFNOC DMA FIFO] BIST passed (Throughput: 1340 MB/s) [INFO] [RFNOC DMA FIFO] Running BIST for FIFO 1... [INFO] [RFNOC DMA FIFO] BIST passed (Throughput: 1338 MB/s) [INFO] [RFNOC DMA FIFO] Running BIST for FIFO 2... [INFO] [RFNOC DMA FIFO] BIST passed (Throughput: 1326 MB/s) [INFO] [RFNOC DMA FIFO] Running BIST for FIFO 3... [INFO] [RFNOC DMA FIFO] BIST passed (Throughput: 1336 MB/s) [INFO] [RFNOC RADIO] Register loopback test passed [INFO] [RFNOC RADIO] Register loopback test passed [INFO] [RFNOC RADIO] Register loopback test passed [INFO] [RFNOC RADIO] Register loopback test passed [INFO] [CORES] Performing timer loopback test... [INFO] [CORES] Timer loopback test passed [INFO] [CORES] Performing timer loopback test... [INFO] [CORES] Timer loopback test passed [INFO] [CORES] Performing timer loopback test... [INFO] [CORES] Timer loopback test passed [INFO] [CORES] Performing timer loopback test... [INFO] [CORES] Timer loopback test passed [WARNING] [MPMD] Setting clock source at runtime is currently not supported. Use clock_source=XXX as a device arg to select a clock source. The current source is: external Using Device: Single USRP: Device: N300-Series Device Mboard 0: ni-n3xx-3144673 RX Channel: 0 RX DSP: 0 RX Dboard: A RX Subdev: Magnesium RX Channel: 1 RX DSP: 0 RX Dboard: B RX Subdev: Magnesium RX Channel: 2 RX DSP: 0 RX Dboard: C RX Subdev: Magnesium RX Channel: 3 RX DSP: 0 RX Dboard: D RX Subdev: Magnesium TX Channel: 0 TX DSP: 0 TX Dboard: A TX Subdev: Magnesium TX Channel: 1 TX DSP: 0 TX Dboard: B TX Subdev: Magnesium TX Channel: 2 TX DSP: 0 TX Dboard: C TX Subdev: Magnesium TX Channel: 3 TX DSP: 0 TX Dboard: D TX Subdev: Magnesium Setting RX Rate: 31.250000 Msps... Actual RX Rate: 31.250000 Msps... Setting RX Freq: 2442.000000 MHz... [WARNING] [0/Radio_0] LO source is not internal. This set frequency will be ignored Actual RX Freq: 2442.000000 MHz... Setting RX Gain: 70.000000 dB... Actual RX Gain: 70.000000 dB... Waiting for "lo_locked": ++++++++++ locked. Press Ctrl + C to stop streaming... Done!