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Numerical Electromagnetics Code
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The Numerical Electromagnetics Code, or NEC, is a popular antenna modeling computer program for wire and surface antennas. It was originally written in FORTRAN during the 1970s by Gerald Burke and And
This 16-element log-periodic design is similar to the 12-element one being modeled in the example deck.
This 16-element log-periodic design is similar to the 12-element one being modeled in the example deck.
Log-periodic antenna
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A log-periodic antenna, also known as a log-periodic array or log-periodic aerial, is a multi-element, directional antenna designed to operate over a wide band of frequencies. It was invented by John
Numerical Electromagnetics Code
…the next line must be a GC line that includes additional information to define tapering rods. The following example of a complete input deck models a log-periodic antenna, like those used for VHF television reception: The example starts with several CM (comment) lines followed by the last comment on a CE (comment end…
Log-periodic antenna, 250–2400 MHz
Log-periodic antenna, 250–2400 MHz
Log-periodic mounted for vertical polarization, 140–470 MHz
Log-periodic mounted for vertical polarization, 140–470 MHz
LP television antenna 1963. Covers 54–88 MHz and 174–218 MHz. Slanted elements were used because on the upper band they operate at the third harmonic.
LP television antenna 1963. Covers 54–88 MHz and 174–218 MHz. Slanted elements were used because on the upper band they operate at the third harmonic.