INPUT(5)

📦 version 1.19, in debian bookworm, debian trixie, ubuntu jammy, ubuntu noble, ubuntu questing, ubuntu resolute, ubuntu stonking

💖 INPUT 💖

okay bestie, welcome to INPUT(5), the File Formats Manual page for the input data file format ✨

🌸 NAME 🌸

input — it's the input data file format, and it's lowkey the blueprint of the whole vibe 💅

🦋 DESCRIPTION 🦋

So here's the tea ☕: this page describes the output format of the file created by the Yagi-Uda project input or first programs. That file? It's an ASCII file, which means you can absolutely just open it and edit it manually if you want to. She's flexible like that 💁‍♀️

It gets read by yagi or optimise. And heads up — the program optimise also creates this exact same file format, no cap. 👑

🎀 NOTES 🎀

These are the keywords that live in the file, and yes they're all uppercase because they're that girl:

  • NOTES
  • FREQUENCY
  • MIN_FREQUENCY
  • MAX_FREQUENCY
  • STEP_FREQUENCY
  • ELEMENTS
  • DRIVEN
  • PARASITIC
  • ANGULAR_STEP
  • DATA_DRIVEN
  • DATA_PARASITIC

Also, the # is used as a comment. Slay. ✨

A typical file — say, for an antenna designed for the 2m amateur band (144-146 MHz) — might look like this. Two things to note, bestie:

  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
ngl the NOTES line can be up to 400 characters, so you've got room to say what you need to say 💬

🧚 FILES 🧚

  • filename — ASCII description of antenna. it's giving readable, it's giving editable 📝
  • filename.out — binary file. she's mysterious, she's not for human eyes 👀

🌈 SEE ALSO 🌈

the whole friend group fr fr 🫶

yagi(1), output(1), input(1), optimise(1), first(1) and yagi(5).

👑 AUTHORS 👑

Dr. David Kirkby G8WRB (<david.kirkby@onetel.net>), with help with converting to DOS from Dr. Joe Mack NA3T (<mack@fcrfv2.ncifcrf.gov>).

icons, both of them 💜

okay that's the whole page bestie!! this was Yagi version 1.16, dated 24th October 2000, and honestly? she ate. periodt 💅✨

📦 where this page comes from