Atmosphere State Properties from Accelerometer Data TABLE I VIKING 1 VIKING 2 Altitude, Pressure, Temperature, Density, Pressure, Temperature, Density, (km) (mbar) (K) (kg/m3) (mbar) (K) (kg/m3) 120 4.14(-6) 136.3 1.60(-8) 1.99(-6) 116.0 8.86(-9) 116 6.91(-6) 149.2 2.42(-8) 3.76(-6) 115.5 1.69(-8) 112 1.12(-5) 148.6 3.95(-8) 6.98(-6) 118.2 3.08(-8) 108 1.84(-5) 146.4 6.59(-8) 1.30(-5) 121.1 5.62(-8) 104 3.03(-5) 149.4 1.06(-7) 2.35(-5) 131.8 9.36(-8) 100 4.94(-5) 154.8 1.67(-7) 4.01(-5) 147.9 1.42(-7) 96 8.02(-5) 145.9 2.88(-7) 6.60(-5) 150.2 2.30(-7) 92 1.38(-4) 133.6 5.39(-7) 1.08(-4) 155.1 3.63(-7) 88 2.33(-4) 146.7 8.33(-7) 1.74(-4) 157.5 5.79(-7) 84 3.87(-4) 144.2 1.40(-6) 2.88(-4) 141.4 1.06(-6) 80 6.70(-4) 136.6 2.57(-6) 5.08(-4) 126.1 2.11(-6) 76 1.16(-3) 130.5 4.66(-6) 9.22(-4) 125.9 3.83(-6) 72 2.05(-3) 139.1 7.70(-6) 1.68(-3) 130.9 6.71(-6) 68 3.43(-3) 152.9 1.17(-5) 2.91(-3) 143.0 1.07(-5) 64 5.55(-3) 154.6 1.88(-5) 4.94(-3) 142.3 1.82(-5) 60 9.11(-3) 149.5 3.19(-5) 8.54(-3) 137.3 3.26(-5) 56 1.56(-2) 136.8 5.96(-5) 1.47(-2) 146.4 5.27(-5) 52 2.67(-2) 146.3 9.56(-5) 2.46(-2) 156.5 8.23(-5) 48 4.45(-2) 148.6 1.57(-4) 3.92(-2) 170.7 1.20(-4) 44 7.46(-2) 147.5 2.65(-4) 6.19(-2) 166.8 1.94(-4) 40 1.23(-1) 157.4 4.10(-4) 9.87(-2) 164.5 3.14(-4) 36 1.98(-1) 166.1 6.25(-4) 1.58(-1) 164.4 5.04(-4) 32 3.12(-1) 175.1 9.32(-4) 2.54(-1) 167.6 7.92(-4) 28 4.83(-1) 183.8 1.38(-3) 4.04(-1) 173.2 1.22(-3) Read 1.60(-8) as 1.60 X 10-8. Lower Atmospheric State Properties From Direct Sensing TABLE II VIKING 1 VIKING2 z, Pressure, Temperature, Density, Pressure, Temperature, Density, (km) (mbar) (K) (*kg/m3) (mbar) (K) (*kg/m3) 4.5 5.16 222.1 t 0.01221 7.820 t 225.6 t 0.01813 t 4.0 5.39 222.8 0.01265 7.48 t 225.1 t 0.01738 t 3.5 5.635 224.7 0.01312 7.16 t 224.6 t 0.01667 t 3.0 5.885 226.5 0.01359 6.853 224.0 0.01600 2.5 6.150 228.3 0.01409 6.564 223.6 0.01536 2.0 6.427 230.1 0.01461 6.282 223.1 0.01473 1.5 6.707 231.8 0.01513 6.015 222.6 0.01413 1.0 6.994 t 233.7 t 0.01565 t 5.747 222.1 0.01353 0.5 7.301 t 235.5 t 0.01622 t 5.483 221.6 0.01294 0 7.620 t 237.3 t 0.01680 t 5.222 221.2 t 0.01235 For Viking 1, H0= 11.697 km, mu = 44.36 +- 0.41; for Viking 2, H0 = 11.363 km, mu = 43.36 +- 0.35. *Calculated for mu = 43.49, R = 191.18 J/kg(deg)K. t Extrapolated Mass Densities, Pressures, and Temperatures Derived from UAMS Data TABLE III VIKING 1 VIKING2 Altitude, Pressure, Temperature, Density, Altitude, Pressure, Temperature, Pressure, (km) (mbar) (K) (kg/m3) (km) (mbar) (K) (mbar) 200 1.05(-9) 102 3.30(-12) 174 1.93(-9) 115 5.80(-12) 195 1.67(-9) 125 4.70(-12) 170 3.06(-9) 112 1.07(-11) 190 2.53(-9) 143 6.62(-12) 166 5.04(-9) 112 1.90(-11) 185 4.02(-9) 139 1.13(-11) 162 8.46(-9) 116 3.23(-11) 180 6.48(-9) 148 1.80(-11) 160 1.10(-8) 119 4.15(-11) 175 1.03(-8) 158 2.77(-11) 156 1.83(-8) 125 6.82(-11) 170 1.61(-8) 167 4.21(-11) 152 3.05(-8) 129 1.13(-10) 165 2.48(-8) 177 6.27(-11) 148 5.04(-8) 135 1.81(-10) 160 3.78(-8) 186 9.35(-11) 144 8.15(-8) 145 2.75(-10) 155 5.80(-8) 185 1.48(-10) 140 1.33(-7) 135 4.90(-10) 150 9.05(-8) 182 2.41(-10) 136 2.24(-7) 130 8.65(-10) 145 1.45(-7) 175 4.10(-10) 132 3.81(-7) 136 1.43(-9) 140 2.39(-7) 166 7.25(-10) 128 6.36(-7) 141 2.31(-9) 135 4.21(-7) 136 1.59(-9) 130 8.77(-7) 120 3.80(-9) Read 3.30(-12) as 3.30 X 10-12.