This is a quick list of what needs to be entered for
the Yagi-Uda software "input"

line 1: notes
line 2: filename to write data to
line 3: centre frequency in mhz
line 4: minimum frequency in mhz
line 5: maximum frequency in mhz
line 6: frequency step in mhz
line 7: units (i for inches, m for mm, w for wavelengths)
line 8: number of elements
line 9: angular stepsize for calculations (gain plots)
line 10: are all elements same diameter? ("no")
line 11: distance for driven element
line 12: length of driven element
line 13: diameter of driven element
line 14: length of reflector
line 15: diameter of reflector
line 16: distance for director 1
line 17: length director 1
line 18: diameter director 1
