--==[ SPLAT! v1.2.3 Path Analysis ]==-- ------------------------------------------------------------------------- Transmitter site: w4djw Site location: 34.9676 North / 82.2924 West (34° 58' 3" N / 82° 17' 32" W) Ground elevation: 1003.94 feet AMSL Antenna height: 20.00 feet AGL / 1023.94 feet AMSL Distance to red_cross: 12.68 miles Azimuth to red_cross: 214.06 degrees Depression angle to red_cross: -0.0784 degrees Depression angle to the first obstruction: -0.0100 degrees ------------------------------------------------------------------------- Receiver site: red_cross Site location: 34.8155 North / 82.4176 West (34° 48' 55" N / 82° 25' 3" W) Ground elevation: 964.57 feet AMSL Antenna height: 75.00 feet AGL / 1039.57 feet AMSL Antenna height above average terrain: 91.60 feet Distance to w4djw: 12.68 miles Azimuth to w4djw: 33.98 degrees Depression angle to w4djw: -0.1051 degrees Depression angle to the first obstruction: -0.1014 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 w4djw and red_cross: Free space path loss: 101.98 dB Longley-Rice path loss: 124.13 dB Attenuation due to effects of terrain: 22.15 dB Field strength at red_cross: 41.89 dBuV/meter Voltage produced by a terminated 50 ohm 0 dBd gain antenna: 33.27 uV Voltage produced by a terminated 75 ohm 0 dBd gain antenna: 40.75 uV Mode of propagation: Double Horizon, Diffraction Dominant ------------------------------------------------------------------------- Between red_cross and w4djw, SPLAT! detected obstructions at: 34.8718 N, 82.3713 W, 4.69 miles, 1010.50 feet AMSL 34.8731 N, 82.3703 W, 4.80 miles, 1030.18 feet AMSL 34.8737 N, 82.3697 W, 4.85 miles, 1030.18 feet AMSL 34.8814 N, 82.3634 W, 5.49 miles, 1036.75 feet AMSL 34.8885 N, 82.3576 W, 6.08 miles, 1033.46 feet AMSL 34.8982 N, 82.3496 W, 6.89 miles, 1040.03 feet AMSL 34.8988 N, 82.3491 W, 6.94 miles, 1046.59 feet AMSL 34.9014 N, 82.3470 W, 7.16 miles, 1049.87 feet AMSL 34.9020 N, 82.3464 W, 7.21 miles, 1049.87 feet AMSL 34.9027 N, 82.3459 W, 7.26 miles, 1049.87 feet AMSL 34.9039 N, 82.3449 W, 7.37 miles, 1053.15 feet AMSL 34.9496 N, 82.3072 W, 11.18 miles, 1033.46 feet AMSL 34.9509 N, 82.3062 W, 11.29 miles, 1040.03 feet AMSL 34.9528 N, 82.3046 W, 11.45 miles, 1040.03 feet AMSL Antenna at red_cross must be raised to at least 322.00 feet AGL to clear all obstructions detected by SPLAT! Antenna at red_cross must be raised to at least 6503.00 feet AGL to clear the first Fresnel zone. Antenna at red_cross must be raised to at least 2388.00 feet AGL to clear 60% of the first Fresnel zone.