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The North America / Africa Bi-Directional phased beverages are 220M long. The
beverages are spaced at 5 meters with a 20 meter stagger.
EZNEC model
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The NA / AF phased beverage antenna for the TOWARD Direction. The beverage stagger
was chosen to allow operation on the 40 meter band.
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Click on image, to view the EZNEC TOWARD node mappings. The TL1 and TL4
transmission lines are zero length and create V1 and V5 for Transformers XFM1
and XFM2 connection points
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This is the NA / AF wire model for EZNEC TOWARD . The beverages are Bi Directional
which complicates the feed system.
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The NA / AF phased beverages TOWARD Sources and Loads screens. The 400 ohm Load
consist of 100 ohms ground R and 300 Ohms fpr the Antenna Z.
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The NA / AF phased beverages TOWARD Transmission lines and Transformers. The 180
degree cross-fire delay is shown on trabsformer 1. See the EZNEC node mappings
drawing in the row above.
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The NA / AF 220M phased beverage 1.825 Mhz 2D TOWARD Elevation plot. This antenna
has an RDF of 12.2
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The NA / AF 220M phased beverage 1.825 Mhz 2D TOWARD Azinuth plot.
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The NA / AF 220M phased beverage 2D TOWARD Elevation plot for 3.790 Mhz.
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The NA / AF 220M phased beverage 2D TOWARD Azinuth plot for 3.790 Mhz. This antenna
has 14.4 RDF.
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The NA / AF 220M phased beverage 2D TOWARD Elevation plot for 7.050 Mhz
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The NA / AF 220M phased beverage 2D TOWARD Azinuth plot for 7.050 Mhz.
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The NA / AF 220M phased beverage 1.825 Mhz 3D TOWARD plot.
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The SWR sweep for the 220M NA / AF TOWARD beverage |