[remotecontrol] telnet=1 telnetport=2121 zmqctrl=1 zmqctrlendpoint=tcp://127.0.0.1:9400 [log] syslog=0 filelog=1 filename=/tmp/dabmod.log [input] transport=tcp source=localhost:9200 [modulator] gainmode=var rate=8196000 [firfilter] enabled=1 [poly] enabled=1 polycoeffile=dpdpoly.coef [output] # to prepare a file for the dpd/iq_file_server.py script, # use output=file output=uhd [fileoutput] filename=dpd.iq [uhdoutput] device= master_clock_rate=32768000 type=b200 txgain=70 channel=13C refclk_source=internal pps_source=none behaviour_refclk_lock_lost=ignore max_gps_holdover_time=600 dpd_port=50055 rxgain=15 [delaymanagement] ; Use synchronous=1 so that the USRP time is set. This works ; even in the absence of a reference clk and PPS synchronous=1 mutenotimestamps=1 offset=4.0