4 , channel number Number of data points: 75 Frequency (GHz) Filter response 18.585170 0.000000 18.588170 0.146785 18.591170 0.303251 18.594170 0.470272 18.597170 0.603509 18.600170 0.714514 18.603170 0.795172 18.606170 0.863832 18.609170 0.896592 18.612170 0.933289 18.615170 0.967830 18.618170 0.983823 18.621170 0.974205 18.624170 0.974205 18.627170 0.961485 18.630170 0.958323 18.633170 0.936393 18.636170 0.939504 18.639170 0.920944 18.642170 0.930192 18.645170 0.902638 18.648170 0.920944 18.651170 0.917875 18.654170 0.936393 18.657170 0.927102 18.660170 0.955168 18.663170 0.948881 18.666170 0.942623 18.669170 0.942623 18.672170 0.914813 18.675170 0.911759 18.678170 0.896592 18.681170 0.863832 18.684170 0.863832 18.687170 0.834762 18.690170 0.826170 18.693170 0.803548 18.696170 0.809165 18.699170 0.778592 18.702170 0.792393 18.705170 0.775850 18.708170 0.773115 18.711170 0.770387 18.714170 0.778592 18.717170 0.786853 18.720170 0.784093 18.723170 0.786853 18.726170 0.795172 18.729170 0.800750 18.732170 0.837639 18.735170 0.872684 18.738170 0.902638 18.741170 0.942623 18.744170 0.967830 18.747170 0.936393 18.750170 0.958323 18.753170 0.967830 18.756170 1.000000 18.759170 0.977404 18.762170 0.930192 18.765170 0.911759 18.768170 0.875649 18.771170 0.829028 18.774170 0.795172 18.777170 0.762239 18.780170 0.735481 18.783170 0.709333 18.786170 0.714514 18.789170 0.666239 18.792170 0.629591 18.795170 0.564478 18.798170 0.458150 18.801170 0.328430 18.804170 0.166466 18.807170 0.015509