Field Strength Calculation for TV and FM Broadcasting (Computer Program TVFMFS),

摘要

This program is a computer version of the TV and FM field strength curves found in figures 17, 18, 19, 20, 29and 30of FCC Report R-6602. These curves have been adopted in Part 73of the FCC rules and regulations,effective August 1, 1975. Output options include (1) field strength verses distance, (2) distances to the grade A and B contours,and (3) distance to any given field strength value,based upon input of station power,antenna height above average terrain,frequency,and terrain roughness factor. The computed values of field strength are well within plus or minus 5dB of the corresponding curve values. The computed distances to various contours are within plus or minus 25miles of the distances calculated from the curves. The program is written in FORTRAN V for use on a UNIVAC 1106computer.