
Antenna Modeling 

Converging Toward
Excellence 

Under the Limits:
MININEC 

Within
the Lines: NEC2 

A
Good Start is Half the Trip 

Putting Sources Where You Can Find Them 

Modeling Loads: What Kind, How Much & Where? 

Maximizing Your Data 

Modeling Wire Arrays 

Modeling Ground Planes & Other Radial Systems 

Tapering to Perfection 

A Ground is Just a Ground: Unless It Is a Model of a Ground! 

Verticals At & Over Ground: Sensible Expectations 

Notes on Reactive
Antenna Loads and Their NEC Models: A. Some Center Loading Basics 

Notes on Reactive
Antenna Loads and Their NEC Models:
B. Some MidElement Loading Basics 

Notes
on Reactive Antenna Loads and Their NEC Models:
C. Some Linear Loading Basics 

Notes
on Reactive Antenna Loads and Their NEC Models:
D. Some Solenoid Loading Basics 

Notes
on Reactive Antenna Loads and Their NEC Models:
E. Some Unfinished Business on Modeling Loads 

Why
TriBanders Are Hard to Model 

What Can We Learn From
Tables? 

The Average Gain Test 

The NEC TL Facility 

Physical Models of Parallel Transmission Lines 

Modeling LPDAs 

The Power and the Source 

Bringing Up the Rear: FronttoBack Ratios 

The Scales of Equivalence 

Modeling By Equation
A. A Beginning 

Modeling By Equation
B. Bigger and Better Things 

Modeling By Equation
C. Formulas and Blocks 

Modeling By Equation
D. Scratch Pads and Coordinates 

A Case Study: a 90' Wire 

A Case Study: Rotating a Beam 

A Clean Sweep 

The Second Ground Medium 

Notes on Using AZEL Plots Effectively 

Getting a Grip on AZ/EL and Phi/Theta 

Verticals: Using the MININEC Ground 

Radials: Segmentation and Convergence 

Radials: Complex Radials Systems 

Resolution 

MultipleFeedpoint Loop Modeling 

Moving and Rotating 

Modeling Element Substitutes 

Designing With NEC: A Case Study: Part 1: The 4 Ss 

Designing With NEC: A Case Study: Part 2: Evaluation and Reality 

A Load in Parallel With a Source 

So You Want to Read a
NECDeck 

Radiation Plots: Polar or Rectangular; Log or Linear 

Traps 

The NEC4 IS Card: Insulated Wires 

Testing the Fringes of Modeling Programs 

Flipping Among NEC Programs 

Voltage and Current Sources: How? 

GC: Wire Segment Length and Radius Tapering 

Parallel Sources, Angular Junctions, and Average Gain: Correcting "Weaknesses" 

When MININEC is Superior to NEC 

Some Comments on Comments 

Some Basic Guideline Graphics for NEC 

MININEC and NEC: A Design Case Study 

NVIS Antenna Models and the Ground Type 

GM: Coordinate Transformation 

GH: HelixSpiral Specification 

GH and GM: The NEC4 Versions 

An Orientation to the NEC Output File 

The 1/2Wavelength Resonant Dipole as a Core Test Instrument 

State of the Art? 

Wire Grids 1: Plane and Simple 

Wire Grids 2: Angular and Awkward 

4816Infinite Sided Loops 

Refining Physical TransmissionLine Models 

The Average Gain Test Revisited 

The GX or Symmetry Geometry Input 

SourcetoFeedline Matching Techniques 

Some Numerical Green's Function Rudiments 

NEC: Power Efficiency vs. Radiation Efficiency 

Developing Antenna Expectations Using Modeling Software 1: Horizontal Wires in the Lower to Medium HF Range 

Developing Antenna Expectations Using Modeling Software 1: Horizontal Wires in the Lower to Medium HF Range (continued) 

Developing Antenna Expectations Using Modeling Software 2A: Vertical Dipoles 

Developing Antenna Expectations Using Modeling Software 2B: Vertical Monopoles 

Developing Antenna Expectations Using Modeling Software 2B: Vertical Monopoles (continued) 

Appreciating EK 

The Nature and Adequacy of NEC Correctives 

Insulated Wires: The NEC2 Way 

GA: Creating and Moving Arcs 

Electrical Fields at a Power Level and Distance 

NEC2 Manual Sample Files 

NEC4 Manual Sample Files 

EX and PT 

A Note on Archimedes and Log Spirals for the NEC4 GH Command 

An Orientation to NEC Near Fields
Part 1. NEC2 Input Basics and Simple Outputs 

An Orientation to NEC Near Fields
Part 2. Some Refinements and NEC4 Additions 

Calculating Circular Gain 

Convergence Revisited 

GR: The "Generate Cylindrical Structure" Command 

Some Basics of the NT Command 

Some Further Applications of the NT Command 

Integrating Commands: A Case Study 

Planar Reflectors: Wire Grid vs. SM Patch 

SN, RCA, and MININEC Grounds 

The Dipole and the Coax 

Modeling the UnModelable 

True Azimuth Models: NSI Software 

True Azimuth Models: EZNEC Software 

PS: I Change 

Models, Symmetry, and Loads: A Couple of Reminders 

Refining Our Notions of Azimuth Patterns 

Scaling Models 

Dipoles: Variety and Modeling Hazards 1. Linear, V, and Folded Dipoles in NEC 

Dipoles: Variety and Modeling Hazards 2. Linear, V, and Folded Dipoles in MININEC 

Dipoles: Variety and Modeling Hazards 3. TaperedDiameter, Bent, and Hatted Dipoles 

Dipoles: Variety and Modeling Hazards 4. Zigzag, FoldBack, and Fan Dipoles 

Wires Meeting Ground: 2 Cases 

When Simple Geometries Become Complex: A Rhombic Case Study 

Modeling Folded Monopoles 

Single, Bifilar, and Quadrifilar Helices 

Insulation Revisited 

Modeling and the Logic of Question Resolution 

Modeling Odd Structures: the Gamma Match Part 1. Gamma Modeling Basics 

Modeling Odd Structures: the Gamma Match Part 2. Gamma Assembly Variables 

Back on the Ground 

Radiation Patterns and Propagation 

Reciprocity: Home on the Range 

Radiating and Transmission Line Currents 

Modeling (with) Parabolic Reflectors 

When to Worry and When Not to Worry: A Case Study 

"Ideal" Polar Plots 

A Potpourri of Modeler Miscellanea 

When Not to Use NEC for Antenna Modeling 

Some Rudiments of Receiving Pattern Modeling 

Models vs. Prototypes: Why Field Adjustments Will Always be Necessary 

AM BC Modeling with NEC:
Part 1 

AM BC Modeling with NEC:
Part 2 

AM BC Modeling with NEC:
Part 3 

AM BC Modeling with NEC:
Part 4 

AM BC Modeling with NEC:
Part 5 

AM BC Modeling with NEC:
Part 6 

NEC Implementations Cores, Limitations, and WorkArounds 



Antenna Matching with EZNEC Version 5: Part 1. Transformers and Shunt
Loads 

Antenna Matching with EZNEC Version 5: Part 2.
LNetworks 





Receiving Directivity 

Serial Feedline Connections 

Unequal Serial Feedline Connections 

Warnings and Errors: What Does NEC Do and What Should You
Do? 

