EZNEC User Manual Table of Contents Welcome .......................................................................................................... 1 Introduction ...................................................................................................... 2 Acknowledgements ...................................................................................... 2 Acknowledgement and Special Thanks: Jordan Russell and Inno Setup . 4 Acknowledgement: vbAcellerator Software............................................... 4 Acknowledgement: Info-Zip Software ....................................................... 4 Acknowledgement: Scintilla Software ....................................................... 4 A Few Words About Copy Protection ........................................................... 4 EZNEC and EZNEC+: .............................................................................. 4 EZNEC Pro: .............................................................................................. 5 Guarantee .................................................................................................... 5 Amateur or Professional? ............................................................................. 5 Notes For International Users....................................................................... 6 Getting Started ................................................................................................. 8 A Few Essentials .......................................................................................... 8 What's New in v. 6.0 ..................................................................................... 8 What Was New in v. 5.0 ............................................................................. 11 Insertion Objects ..................................................................................... 11 Transformers .......................................................................................... 12 L Networks .............................................................................................. 12 Parallel Connected Loads ....................................................................... 12 Transmission Line Loss .......................................................................... 12 Y Parameter Networks (EZNEC Pro only) .............................................. 13 What Was New in v. 4.0 ............................................................................. 13 Undo/Redo.............................................................................................. 13 Control Center Menus ............................................................................. 13 Segments................................................................................................ 13 Segmentation Check (formerly Guideline Check) ................................... 13 Geometry Check ..................................................................................... 14 Wires Window Features .......................................................................... 14 View Antenna Display ............................................................................. 14 Circular Polarization (EZNEC+ and EZNEC Pro only) ............................ 14 Plot Displays ........................................................................................... 14 Calculating Engines ................................................................................ 15 Wire Insulation ........................................................................................ 15 Improved Printing .................................................................................... 15 Easy Import of Wire Coordinates from NEC Files (EZNEC+, EZNEC Pro only) ........................................................................................................ 15 Multiple Instances (EZNEC Pro only) ..................................................... 15 Other ....................................................................................................... 15 If You Downloaded EZNEC ........................................................................ 16 Getting Acquainted with EZNEC ................................................................ 17 Making a Desktop Shortcut ........................................................................ 17 EZNEC Pro Users ...................................................................................... 18 Printing The Manual ................................................................................... 18 Program Version Compatibility ................................................................... 18 Test Drive ...................................................................................................... 20 Test Drive Introduction ............................................................................... 20 ii Table of Contents Along The Straightaway ............................................................................. 20 Through The Curves .................................................................................. 25 On The Race Course ................................................................................. 29 A Lap Around Track 5 ................................................................................ 33 Taking Car 6 For A Spin ............................................................................. 38 Plus Octane Fill Up ..................................................................................... 44 Building The Model ........................................................................................ 56 Introduction to Modeling ............................................................................. 56 Modeling With EZNEC ............................................................................... 56 Opening The Description File ..................................................................... 57 Modeling The Antenna Structure: Wires ..................................................... 57 About Wires ............................................................................................ 57 Segmentation .......................................................................................... 59 Using The Wires Window ....................................................................... 60 Graphical Wire Operations...................................................................... 64 Wire Coordinate Shortcuts ...................................................................... 65 Wire Loss ................................................................................................ 66 Wire Insulation ........................................................................................ 67 Importing Wire Coordinates .................................................................... 68 Other Wire Considerations...................................................................... 68 Advanced Wire Features ........................................................................ 69 Advanced Wire Features Introduction ................................................. 69 Catenary Creation ............................................................................... 69 Helix Creation ...................................................................................... 70 Loop Creation ...................................................................................... 70 Loop Resizing ..................................................................................... 71 Radial Creation ................................................................................... 71 Wire Grid Creation .............................................................................. 71 Meander Line Creation ........................................................................ 73 Stepped Diameter Correction ................................................................. 73 Stepped Diameter Correction Overview .............................................. 73 Using the Stepped Diameter Correction Display ................................. 75 Some Special Cases .............................................................................. 75 Acute Angles ....................................................................................... 75 Buried Wires ........................................................................................ 76 Closely Spaced Wires ......................................................................... 76 Crossed Dipoles .................................................................................. 77 Elevated Radial Systems .................................................................... 77 End Fed Antennas .............................................................................. 78 Feedlines and Baluns .......................................................................... 81 Folded Dipoles .................................................................................... 81 Gamma Match ..................................................................................... 82 Linear Loaded Antennas ..................................................................... 82 Log Periodic Antennas ........................................................................ 82 Patch (Microstrip) Antennas ................................................................ 83 Phased Arrays ....................................................................................