Muskegon M20 Buoy Data NOTE: The cleaning wiper on the YSI EXO2 sensor (mounted near the surface) failed to operate until the problem was corrected on 9/21, so the data files marked with an asterisk (*) may have data values that are increasingly inaccurate throughout the year. Files: alt_airmar.csv GPS Altitude, meters atemp_airmar.csv Air temperature (Airmar), C atemp_csi.csv Air temperature (CSI), C baro_airmar.csv Barometric pressure corrected to sea level, mbar baro_rmy.csv Barometric pressure (RM Young), hectopascals barohf_rmy.csv Barometric pressure, hectopascals, high frequency (RM Young) batt_csi.csv Buoy Battery voltage, volts batt_nortek.csv Nortek Battery voltage, volts comp_buoy_kvh.csv Buoy compass heading, deg cond_btm_sbe.csv Conductivity (SBE16), near-bottom, uS/cm * cond_top_ysi.csv Conductivity (YSI), near-surface, uS/cm curr_prof_nortek.csv Water current profile, cm/s depth_btm_sbe.csv SBE16 Depth, meters depth_top_ysi.csv YSI Depth, meters depth_nortek.csv Nortek Depth, meters * do2_top_ysi.csv Dissolved Oxygen, mg/L * dosat_top_ysi.csv Dissolved Oxygen, %sat * fdom_top_ysi.csv Fluorescent Dissolved Organic Matter (fDOM), RFU gpsquality_airmar.csv GPS Quality, 0=invalid, 1=normal, 2=differential hdop_airmar.csv GPS Horizontal Dilution Of Precision, meters heading_nortek.csv Nortek compass heading, deg lat_airmar.csv Latitude, deg north lon_airmar.csv Longitude, deg east maghead_airmar.csv Magnetic heading, deg magvar_airmar.csv Magnetic variation east (earth variation from true north), deg east numsat_airmar.csv GPS number of satellites used, count * ph_top_ysi.csv Potential Hydrogen, pH pitch_airmar.csv Airmar Pitch angle, deg pitch_nortek.csv Nortek Pitch angle, deg prat_airmar.csv Airmar Pitch rate of turn, deg/s press_top_ysi.csv YSI Pressure, near-surface, psia roll_airmar.csv Airmar Roll angle, deg roll_nortek.csv Nortek Roll angle, deg rrat_airmar.csv Airmar Roll rate of turn, deg/s rsl_wifi.csv RSL at base station, dB solarvolt_csi.csv Solar panel voltage, volts * spcond_top_ysi.csv Specific conductivity, uS/cm * tds_top_ysi.csv Total Dissolved Solids (TDS), mg/L temp_btm_nortek.csv Water temperature (Nortek), near-bottom, C temp_btm_sbe.csv Water temperature (SBE16), near-bottom, C temp_top_ysi.csv Water temperature (YSI), near-surface, C * turbid_top_ysi.csv Turbidity, NTU v12batt_buoy_spc.csv Buoy battery voltage, volts v12bus_uwhub_spc.csv Bus voltage in underwater hub, volts v12solar_buoy_spc.csv Solar panel voltage, volts v48power_uwhub_spc.csv Voltage at underwater hub, volts v48touwhub_buoy_spc.csv Voltage to underwater hub, volts wavedir_nortek.csv Wave direction, deg wavemax_nortek.csv Maximum wave height, meters waveper_nortek.csv Wave period, seconds waveswh_nortek.csv Significant wave height, meters wdir_airmar.csv Wind direction (Airmar), deg wdir_rmy.csv Wind direction (RM Young), deg windangle_airmar.csv Wind angle relative to sensor (Airmar), deg wspeed_airmar.csv Wind speed (Airmar), m/s wspeed_rmy.csv Wind speed (RM Young), m/s wspeedmax_airmar.csv Maximum wind speed (Airmar), m/s wspeedmax_rmy.csv Maximum wind speed (RM Young), m/s wtemp_top_csi.csv Water near-surface temperature, C xaccel_airmar.csv Airmar X acceleration, deg/s yaccel_airmar.csv Airmar Y acceleration, deg/s yrat_airmar.csv Airmar Yaw rate of turn, deg/s zaccel_airmar.csv Airmar Z acceleration, deg/s