recordingSettings wrapper Function for VNAKit.RecordingSettings which takes default values settings = recordingSettings(f_start,f_stop,numFreqPoints,rbw_khz,outputPower_dbm,txTr,mode) All parameters are optional, default values are as follows: f_start: 100 (MHz) f_stop: 6000 (MHz) numFreqPts: 236 rbw_khz: 1 (KHz) outputPower_dbm: -10 (dBm) txTr: 6 mode: VNAKit.Mode.VNAKIT_MODE_TWO_PORTS