input - input data file format
Contents
Description
This manual page describes the output format of the file created by the Yagi-Udaprojectinput or first
programs. The file is an ASCII file, so can be edited manually if required. It is read by yagi or
optimise. The program optimise also creates the same file format.
NOTESFREQUENCYMIN_FREQUENCYMAX_FREQUENCYSTEP_FREQUENCYELEMENTSDRIVENPARASITICANGULAR_STEPDATA_DRIVENDATA_PARASITIC
The
#
is used as a comment.
A typical file, for an antenna designed for the 2m amateur band (144-146
MHz) might be as shown below. Note:
1) Reflector is at position 0.0
2) All elements lengths/positions are in m.
NOTES This line can be up to 400 characters.
FREQUENCY 145.000000
MIN_FREQUENCY 144.000000
MAX_FREQUENCY 146.000000
STEP_FREQUENCY 0.100000
ELEMENTS 10
DRIVEN 1
PARASITIC 9
ANGULAR_STEP 180.000000
#DATA_DRIVEN x y length diameter voltage phase
DATA_DRIVEN 0.30993 0.000000 1.002492 0.0063000000000000 1.000000 0.000000
# DATA_PARASITIC x y length diameter
DATA_PARASITIC
0.00000 0.00000 1.01902 0.00630
0.49859 0.00000 0.95551 0.00630
1.07338 0.00000 0.93595 0.00630
1.81020 0.00000 0.92050 0.00630
2.58152 0.00000 0.91322 0.00630
3.30390 0.00000 0.91243 0.00630
4.03692 0.00000 0.90423 0.00630
4.64108 0.00000 0.89081 0.00630
5.37418 0.00000 0.83912 0.00630
Files
filename ASCII description of antenna. filename.out
binary file
Name
input - input data file format
See Also
yagi(1), output(1), input(1), optimise(1), first(1) and yagi(5).
