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NEC Specifications

Technical Specifications

Below is a list/comparison of NEC-Win Basic, NEC-Win Plus, NEC-Win Pro, and GNEC features. You can pick a certain topic or just scroll down the list.

[Commands][General Specifications][Geometry Visualization][Printing] [General Plotting][Polar Plots][Rectangular Plots/Smith Chart][Surface Plots]

Commands Nec-Win Basic Nec-Win Plus Nec-Win Pro GNEC
Comment (CM) x

x

 x x
Comment End (CE) x

x

 x x
Catenary Wire (CW) -

-

 - x
Wire Arc (GA) -

-

 x x
Continuation Data for Tapered Wires (GC) -

-

 x x
End Geometry (GE) x

x

 x x
Read NGF (GF) -

-

 x x
Generate Helix (GH) -

-

 x x
Coordinate Xform (GM) -

-

 x x
Suppress Geometry (GP) -

-

 x x
Generate Cylinder (GR) -

-

 x x
Scale Dimensions (GS) x

x

 x x
Wire Specification (GW) x

x

 x x
Reflection Planes (GX) -

-

 x x
Surface Patch (SP) -

-

 x x
Multiple Surface Patch's (SM) -

-

 x x
Maximum Coupling (CP) -

-

 x x
Thin Wire Kernel (EK) -

-

 x x
End of Run (EN) x

x

 x x
Excitation EX) x

x

 x x
Frequency (FR) x

x

 x x
Add. Ground Param. (GD) -

-

 x x
Ground Parameters (GN) x

x

 x x
Insulate Wire (IS) -

-

 - x
Junction Charge Distribution (JN) -

-

 - x
Interaction Approx. (KH) -

-

 x x
Loading (LD) x

x

 x x
Near Electric Field along a Line (LE) -

-

 - x
Near Magnetic Field along a Line (LE) -

-

 - x
Near Electric Fields (NE) -

-

 x x
Near Magnetic Fields (NH) -

-

 x x
Networks (NT) x

x

 x x
Data Storage for Plotting (PL) -

-

 x x
Print Charge on Wire (PQ) -

-

 x x
Print Electrical Lengths of Segments (PS) -

-

 x x
Print Current on Wires (PT) -

-

 x x
Radiation Pattern (RP) x

x

 x x
Transmission Line (TL) x

x

 x x
Upper Medium Parameters (UM) -

-

 - x
Include End Caps (VC) -

-

 - x
Write NGF File (WG) -

-

 x x
Execute (XQ) -

-

 x x
Next Structure (NX) -

-

 x x
General Specifications Nec-Win Basic Nec-Win Plus Nec-Win Pro GNEC
# of Segments(32 bit core w/DMA) 10,000

10,000

 10,000 80,000
16 bit NEC2 engine x

-

 x -
32 bit NEC2 engine w/DMA x

x

 x -
32 bit NEC3 engine -

-

 - x
16 bit NEC4 engine -

-

 - x
32 bit NEC4 engine w/DMA -

-

 - x
Geometry checking for NEC violations -

x

 - x
NEC core console spooling -

x

 - x
Windows Interface x

x

 x x
Ability to use external editor (Windows/DOS) -

-

 - x
Cut x

x

 x x
Copy x

x

 x x
Paste x

x

 x x
Rotate (group & single wire) x

x

 x x
Translate (group & single wire) x

x

 x x
Scale (group & single wire) x

x

 x x
Wire Assist-Interacts w/commercial spreadsheets -

-

 x x
Graphical Ground Specification x

x

 x x
Sommerfeld Ground Option x

x

 x x
Frequency (sweep and single) x

x

 x x
Graphical Pattern Plot Spec. x

x

 x x
Graphical Source/Load Spec. x

x

 x x
Individual Wire Conductivity x

x

 x x
Unit Scaling x

x

 x x
On-line Help x

x

 x x
NecVu: Antenna Geometry Visualization Nec-Win Basic Nec-Win Plus Nec-Win Pro GNEC
Mouse Control x

x

 x x
Keyboard Control -

x

 x x
Rotation x

x

 x x
Pan x

x

 x x
Zoom x

x

 x x
DOS Based x

-

 - -
Windows Based -

x

 x x
Display 5000 segments x

x

 x x
Display 32000 segments -

-

 x x
Quick Load for large models -

x

 x x
Geometry Checking -

x

 - x
View thermal plot of currents on wire -

x

 x x
-linear -

x

 x x
-log -

x

 - x
-phase -

x

 - x
-real -

x

 - x
-imaginary -

x

 - x
Scale thermal plot of currents -

x

 - x
Print thermal plot of currents -

x

 - x
View antenna w/Surface Pattern -

x

 x x
View in a Window -

x

 x x
Wire Identification -

x

 x x
Source Identification -

x

 x x
Load Identification -

x

 x x
Current Identification -

x

 x x
Display Segments x

x

 x x
Display Trans. Lines -

x

 x x
Display Networks -

x

 x x
Display Sources -

x

 x x
Display Loads -

x

 x x
Display Axes x

x

 x x
Display Ground Plane x

x

 x x
Save as Bitmap x

x

 x x
Save as Flat File -

x

 x x
Save Screen or Area to Clipboard x

x

 x x
Printing x

x

 x x
Custom Display Colors x

x

 x x
Custom Print Colors x

x

 x x
Export VRML file -

x

 - -
General PLOT Capabilities Nec-Win Basic Nec-Win Plus Nec-Win Pro GNEC
Variable Line Width x

x

 x x
Variable Line Type x

x

 x x
Customized Colors x

x

 x x
Multiple File Plotting x

x

 x x
Linear Scale x

x

 x x
Logarithmic Scale x

x

 x x
Automatic Scaling x

x

 x x
User Defined Scale x

x

 x x
Gain Probe x

x

 x x
Delta Gain Probe x

x

 x x
Pattern Analysis x

x

 x x
Export to Clipboard x

x

 x x
Save Graph x

x

 x x
Custom Title x

x

 x x
Custom Legends x

x

 x x
Custom Page Layout x

x

 x x
Font/Style/Size Selection x

x

 x x
Printing x

x

 x x
Resizable Graph x

x

 x x
Polar Plotting Nec-Win Basic Nec-Win Plus Nec-Win Pro GNEC
Power Gains x

x

 x x
Electric Fields -

-

 x x
-Linear -

x

 x x
-Linear/Normalized -

x

 x x
-Log -

x

 x x
-Log/Normalized -

x

 x x
-Linear Log x

x

 x x
-Linear Log/Log x

x

 x x
-Linear Log/Normalized -

x

 x x
Rectangular Plotting Nec-Win Basic Nec-Win Plus Nec-Win Pro GNEC
-VSWR vs. Frequency -

x

 x x
-Input Impedance -

x

 x x
-Power Gain vs. Angle -

-

 x x
-Radiated Electric Fields -

-

 x x
-Electric Field vs. Angle -

-

 x x
-Polarization (Axial Ratio and Tilt Degree) -

-

 x x
-Currents -

-

 x x
-Received Patterns -

-

 x x
-Nearfield Plots -

-

 x x
Smith Chart -

-

 x x
Spline Smoothing -

-

 - x
Printing Nec-Win Basic Nec-Win Plus Nec-Win Pro GNEC
Print Antenna Layout x

x

 x x
Print Pattern Plots x

x

 x x
Print Surface Plots x

x

 x x
Print Rectangular Plots -

x

 x x
Print Smith Charts -

-

 x x
Print Tabular Data x

x

 x x
Customized Reports x

x

 x x
Surface Plots Nec-Win Basic Nec-Win Plus Nec-Win Pro GNEC
Specify 3-D Surface Plot x

x

 x x
Rotate up to 5000 segments x

x

 x x
Rotate up to 32000 segments -

-

 x x
Selectable Plot Area x

x

 x x
Surface Pattern Rotation x

x

 x x
Surface Pattern Zooming x

x

 x x
Surface Pattern Panning x

x

 x x
Surface Pattern Printing x

x

 x x
Plot Log of Surface Pattern -

x

 x x
View Antenna w/ Surface Pattern -

x

 x x

What is Numerical Electromagnetics Code (NEC)?
Command differences between NEC2, NEC3, and NEC4
Technical Specifications of Products