--==[ SPLAT! v1.2.3 Path Analysis ]==-- ------------------------------------------------------------------------- Transmitter site: wd4dyh Site location: 35.0402 North / 82.4042 West (35° 2' 24" N / 82° 24' 15" W) Ground elevation: 1053.15 feet AMSL Antenna height: 20.00 feet AGL / 1073.15 feet AMSL Antenna height above average terrain: -105.02 feet Distance to w4jwa: 22.12 miles Azimuth to w4jwa: 158.22 degrees Depression angle to w4jwa: -0.2389 degrees Elevation angle to the first obstruction: +1.8846 degrees ------------------------------------------------------------------------- Receiver site: w4jwa Site location: 34.7429 North / 82.2597 West (34° 44' 34" N / 82° 15' 34" W) Ground elevation: 892.39 feet AMSL Antenna height: 20.00 feet AGL / 912.39 feet AMSL Antenna height above average terrain: 65.50 feet Distance to wd4dyh: 22.12 miles Azimuth to wd4dyh: 338.30 degrees Depression angle to wd4dyh: -0.0812 degrees Depression angle to the first obstruction: -0.0502 degrees ------------------------------------------------------------------------- Longley-Rice path calculation parameters used in this analysis: Earth's Dielectric Constant: 15.000 Earth's Conductivity: 0.005 Siemens/meter Atmospheric Bending Constant (N-units): 301.000 ppm Frequency: 146.520 MHz Radio Climate: 5 (Continental Temperate) Polarization: 1 (Vertical) Fraction of Situations: 50.0% Fraction of Time: 60.0% Transmitter ERP: 35 Watts ------------------------------------------------------------------------- Summary for the link between wd4dyh and w4jwa: Free space path loss: 106.81 dB Longley-Rice path loss: 175.75 dB Attenuation due to effects of terrain: 68.94 dB Field strength at w4jwa: -9.74 dBuV/meter Voltage produced by a terminated 50 ohm 0 dBd gain antenna: 0.09 uV Voltage produced by a terminated 75 ohm 0 dBd gain antenna: 0.11 uV Mode of propagation: Double Horizon, Diffraction Dominant ------------------------------------------------------------------------- Between w4jwa and wd4dyh, SPLAT! detected obstructions at: 34.7554 N, 82.2658 W, 0.93 miles, 908.79 feet AMSL 34.7569 N, 82.2665 W, 1.04 miles, 918.64 feet AMSL 34.7577 N, 82.2668 W, 1.10 miles, 935.04 feet AMSL 34.7592 N, 82.2676 W, 1.21 miles, 938.32 feet AMSL 34.7989 N, 82.2868 W, 4.16 miles, 931.76 feet AMSL 34.7996 N, 82.2872 W, 4.22 miles, 931.76 feet AMSL 34.8086 N, 82.2916 W, 4.89 miles, 938.32 feet AMSL 34.8116 N, 82.2930 W, 5.11 miles, 958.01 feet AMSL 34.8154 N, 82.2948 W, 5.39 miles, 961.29 feet AMSL 34.8161 N, 82.2952 W, 5.45 miles, 967.85 feet AMSL 34.8169 N, 82.2956 W, 5.50 miles, 987.53 feet AMSL 34.8206 N, 82.2974 W, 5.78 miles, 987.53 feet AMSL 34.8221 N, 82.2981 W, 5.89 miles, 1000.66 feet AMSL 34.8229 N, 82.2985 W, 5.95 miles, 1000.66 feet AMSL 34.8236 N, 82.2988 W, 6.00 miles, 1003.94 feet AMSL 34.8266 N, 82.3003 W, 6.23 miles, 1007.22 feet AMSL 34.8274 N, 82.3007 W, 6.28 miles, 1017.06 feet AMSL 34.8281 N, 82.3010 W, 6.34 miles, 1046.59 feet AMSL 34.8364 N, 82.3050 W, 6.95 miles, 1062.99 feet AMSL 34.8371 N, 82.3054 W, 7.01 miles, 1076.12 feet AMSL 34.8379 N, 82.3057 W, 7.06 miles, 1089.24 feet AMSL 34.8386 N, 82.3061 W, 7.12 miles, 1115.49 feet AMSL 34.8394 N, 82.3065 W, 7.17 miles, 1171.26 feet AMSL 34.8401 N, 82.3068 W, 7.23 miles, 1181.10 feet AMSL 34.8409 N, 82.3072 W, 7.29 miles, 1197.51 feet AMSL 34.9390 N, 82.3549 W, 14.59 miles, 1105.64 feet AMSL 34.9398 N, 82.3553 W, 14.65 miles, 1115.49 feet AMSL 34.9420 N, 82.3564 W, 14.81 miles, 1128.61 feet AMSL 35.0110 N, 82.3900 W, 19.94 miles, 1082.68 feet AMSL 35.0117 N, 82.3903 W, 20.00 miles, 1082.68 feet AMSL 35.0125 N, 82.3907 W, 20.05 miles, 1082.68 feet AMSL 35.0132 N, 82.3911 W, 20.11 miles, 1108.92 feet AMSL 35.0140 N, 82.3914 W, 20.16 miles, 1112.20 feet AMSL 35.0147 N, 82.3918 W, 20.22 miles, 1118.77 feet AMSL 35.0155 N, 82.3922 W, 20.28 miles, 1135.17 feet AMSL 35.0162 N, 82.3925 W, 20.33 miles, 1135.17 feet AMSL 35.0170 N, 82.3929 W, 20.39 miles, 1151.57 feet AMSL 35.0177 N, 82.3933 W, 20.44 miles, 1213.91 feet AMSL 35.0185 N, 82.3936 W, 20.50 miles, 1227.03 feet AMSL 35.0222 N, 82.3955 W, 20.78 miles, 1200.79 feet AMSL 35.0245 N, 82.3966 W, 20.95 miles, 1190.94 feet AMSL 35.0267 N, 82.3977 W, 21.11 miles, 1174.54 feet AMSL 35.0349 N, 82.4017 W, 21.73 miles, 1151.57 feet AMSL 35.0357 N, 82.4020 W, 21.78 miles, 1190.94 feet AMSL Antenna at w4jwa must be raised to at least 8289.00 feet AGL to clear all obstructions detected by SPLAT! Antenna at w4jwa must be raised to at least 16783.00 feet AGL to clear the first Fresnel zone. Antenna at w4jwa must be raised to at least 12575.00 feet AGL to clear 60% of the first Fresnel zone.