--==[ SPLAT! v1.2.3 Path Analysis ]==-- ------------------------------------------------------------------------- Transmitter 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 af4rn: 12.11 miles Azimuth to af4rn: 147.04 degrees Depression angle to af4rn: -0.2258 degrees Depression angle to the first obstruction: -0.1904 degrees ------------------------------------------------------------------------- Receiver site: af4rn Site location: 34.5958 North / 82.1438 West (34° 35' 44" N / 82° 8' 37" W) Ground elevation: 738.19 feet AMSL Antenna height: 20.00 feet AGL / 758.19 feet AMSL Distance to w4jwa: 12.11 miles Azimuth to w4jwa: 327.11 degrees Elevation angle to w4jwa: +0.0505 degrees Elevation angle to the first obstruction: +0.3129 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 w4jwa and af4rn: Free space path loss: 101.58 dB Longley-Rice path loss: 123.61 dB Attenuation due to effects of terrain: 22.03 dB Field strength at af4rn: 42.41 dBuV/meter Voltage produced by a terminated 50 ohm 0 dBd gain antenna: 35.32 uV Voltage produced by a terminated 75 ohm 0 dBd gain antenna: 43.25 uV Mode of propagation: Single Horizon, Diffraction Dominant ------------------------------------------------------------------------- Between af4rn and w4jwa, SPLAT! detected obstructions at: 34.5982 N, 82.1458 W, 0.20 miles, 764.44 feet AMSL 34.6480 N, 82.1849 W, 4.30 miles, 803.81 feet AMSL 34.6493 N, 82.1859 W, 4.40 miles, 807.09 feet AMSL 34.6506 N, 82.1870 W, 4.51 miles, 810.37 feet AMSL 34.6512 N, 82.1875 W, 4.57 miles, 816.93 feet AMSL 34.6624 N, 82.1962 W, 5.48 miles, 826.77 feet AMSL 34.6768 N, 82.2076 W, 6.67 miles, 846.46 feet AMSL 34.6807 N, 82.2107 W, 6.99 miles, 853.02 feet AMSL 34.6814 N, 82.2112 W, 7.05 miles, 859.58 feet AMSL 34.6820 N, 82.2117 W, 7.10 miles, 866.14 feet AMSL 34.6846 N, 82.2138 W, 7.32 miles, 879.27 feet AMSL 34.6905 N, 82.2184 W, 7.80 miles, 889.11 feet AMSL 34.6918 N, 82.2194 W, 7.91 miles, 898.95 feet AMSL 34.6990 N, 82.2251 W, 8.50 miles, 915.35 feet AMSL Antenna at af4rn must be raised to at least 253.00 feet AGL to clear all obstructions detected by SPLAT! Antenna at af4rn must be raised to at least 2842.00 feet AGL to clear the first Fresnel zone. Antenna at af4rn must be raised to at least 1478.00 feet AGL to clear 60% of the first Fresnel zone.