--==[ SPLAT! v1.2.3 Path Analysis ]==-- ------------------------------------------------------------------------- Transmitter site: kb4rdv Site location: 34.8295 North / 82.3409 West (34° 49' 46" N / 82° 20' 27" W) Ground elevation: 938.32 feet AMSL Antenna height: 20.00 feet AGL / 958.32 feet AMSL Antenna height above average terrain: 37.83 feet Distance to w4jwa: 7.55 miles Azimuth to w4jwa: 142.39 degrees Depression angle to w4jwa: -0.1206 degrees Depression angle to the first obstruction: -0.1029 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 kb4rdv: 7.55 miles Azimuth to kb4rdv: 322.44 degrees Elevation angle to kb4rdv: +0.0114 degrees Elevation angle to the first obstruction: +0.1019 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 kb4rdv and w4jwa: Free space path loss: 97.48 dB Longley-Rice path loss: 130.04 dB Attenuation due to effects of terrain: 32.56 dB Field strength at w4jwa: 35.98 dBuV/meter Voltage produced by a terminated 50 ohm 0 dBd gain antenna: 16.85 uV Voltage produced by a terminated 75 ohm 0 dBd gain antenna: 20.64 uV Mode of propagation: Double Horizon, Diffraction Dominant ------------------------------------------------------------------------- Between w4jwa and kb4rdv, SPLAT! detected obstructions at: 34.7511 N, 82.2673 W, 0.71 miles, 918.64 feet AMSL 34.7523 N, 82.2685 W, 0.82 miles, 921.92 feet AMSL 34.7584 N, 82.2742 W, 1.35 miles, 931.76 feet AMSL 34.7590 N, 82.2747 W, 1.40 miles, 938.32 feet AMSL 34.7723 N, 82.2873 W, 2.57 miles, 941.60 feet AMSL 34.7729 N, 82.2878 W, 2.62 miles, 944.88 feet AMSL 34.7736 N, 82.2884 W, 2.67 miles, 948.16 feet AMSL 34.7997 N, 82.3129 W, 4.95 miles, 951.44 feet AMSL 34.8009 N, 82.3141 W, 5.06 miles, 964.57 feet AMSL 34.8015 N, 82.3146 W, 5.11 miles, 967.85 feet AMSL 34.8021 N, 82.3152 W, 5.17 miles, 971.13 feet AMSL 34.8027 N, 82.3158 W, 5.22 miles, 974.41 feet AMSL 34.8034 N, 82.3163 W, 5.27 miles, 990.81 feet AMSL 34.8064 N, 82.3192 W, 5.54 miles, 987.53 feet AMSL 34.8076 N, 82.3203 W, 5.64 miles, 987.53 feet AMSL 34.8082 N, 82.3209 W, 5.70 miles, 987.53 feet AMSL Antenna at w4jwa must be raised to at least 214.00 feet AGL to clear all obstructions detected by SPLAT! Antenna at w4jwa must be raised to at least 3483.00 feet AGL to clear the first Fresnel zone. Antenna at w4jwa must be raised to at least 1749.00 feet AGL to clear 60% of the first Fresnel zone.