Example Input Files
The following are NEC input files that can be used with Nittany
Scientific products.
Basic Antennas
HAM Antennas
Structures
Basic Antennas
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Bowtie Antenna
Dipole Antenna
Log Periodic Antenna
"V" Antenna
Yagi Antenna
T Antenna on a box over perfect ground(uses surface patches)
HAM Radio Antennas
The following ham radio antenna models were donated by L.B. Cebik (W4RNL). Look for L.B.'s articles and reviews in popular Ham Radio magazines. L.B. maintains a fantastic web site for Amateur Radio Operators.
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12-17 meter back-to-back driven-element/director Yagis with open
sleeve driven element coupling
Interlaced 20/15 meter 3-element Yagis with separate feeds and full gain of the individual Yagis when isolated
6 meter wide band (2:1 SWR 50-54 MHz) 3-element Yagi
6 meter higher gain Yagi (but narrower bandwidth)
0.22 wl side-to-side and 0.22 wl vertical dimension 2 element 10-meter beam with fan elements using 45-degree angles
Phased 2-element 10 meter array, using longer elements and 150-ohm phase (transmission) line for 50-ohm feedpoint impedance
40-meter intermediate (1/2 wl perimeter) double loop with 50-ohm feed Z
10-meter Moxon Rectangle 7/8" and 3/4" aluminum
15 meter phased collinear EDZs
80m Half-Square Parasitic beam
80m Right-Angle Delta Parasitical beam
80m Side-fed rectangle parasitical beam
2-element quad, full size, 10 meters
2-element quad, small, diamond shape, 10 meters
2-element quad, small, square shape, 10 meters
2-element Yagi, 1" Al, 20 meters
3-element Yagi, 1" Al, 20 meters
Capacity-hat loaded dipole, 10 meters
Right-angle Delta loop, bottom-center fed, 40 meters
Right-angle Delta loop, side-fed, 40 meters
Extended-double Zepp, 12 meters
Fan dipole, narrow height(4'), 10 meters
Fan dipole, 0.22 lambda/side, 10 meters
Flat ground plane, 146 MHz
Sloping ground plane, 146 MHz
Half-square, 146 MHz
Half-square, 40 meters
Moxon rectangle, 20 meters
Rectangular loop, bottom-center fed, 40 meters
Rectangular loop, side-fed, 40 meters
Extended arm Vee array, 40 meters
2-element wire Yagi, #14, 30 meters
5-Band, 2-element Quad, 10 meters
300 ohm (0.21" spacing) Folded Dipole, 10 meters
ZL Special, 5/8" Dipole Elements, 71 ohm TL, 10 meters
1" Folded Dipole ZL Special, 300 ohm TL, 10 meters
1" Folded Dipole ZL Special, 339 ohm TL, 10 meters
Open-sleeve critically coupled dipoles, 14.175/21.1/28.5 MHz
7-element wire Yagi (#18), 10 meters
Linear-loaded dipole, vertical wire arrangement, 10 meters
linear-loaded dipole, triangular wire arrangement, 10 meters
Capacity-loaded phased EDZs, 10 meters
Inductively-loaded EDZ parasitic beam, 10 meters
Center-loaded 2-element Yagi, 10 meters
Structures
The following files are not complete models but examples of structures. Please remember that to use any of these models they must be scaled according to frequency and wavelength for your particular problem.
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Belly Whip Antenna |
Box Whip Antena |
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CGN (ship) |
DD963 (ship) |
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Discone Antenna |
Fan Dipole Antenna |
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FIPA |
Rototiller Antenna |
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LPA with Yagi |
Multiple Ham Antennas |
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Satellite |
Airplane |
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Tank |
Van |
Last Modified: 19 December, 2008