Discone Antenna Sheet Metal

This simplifies construction and reduces wind loading.

Discone antenna sheet metal.

Gnec is only available to user s who are licensed from lawrence livermore national labs to use nec4. Each of these broadband antennas has. Sirio antenna sd2000n 100 mhz 2 ghz discone wide band antenna. Ed figure 5 shows the simulated.

Jan feb 2007 39 figure 7 wire table of an eznec discone model. A discone may be made from solid metal sheet often copper which is practical for small indoor uhf antennas such as for wi fi. At lower frequencies a sufficient number of metal wires or rods in a spoke. Small uhf forms may be constructed of sheet metal and thus exhibit the distinctive disk and cone.

4 8 out of 5 stars 22. It consists of a top disc underneath which is a cone. These antennas include the bicone discone helix and oth ers. A discone antenna is a version of a biconical antenna in which one of the cones is replaced by a disc.

This is the basic form for a 16 spoke discone antenna. When using rods at least eight should be used. Only 16 left in stock order soon. Free shipping by amazon.

Figure 2 return loss of aor da3000 discone antenna. Gra d220 144 440 900 1200mhz 2m 70cm 33cm 25cm mini discone multiband wideband mobile scanner antenna 38 19 inch. Rust free stainless steel is employed in major component parts making the antenna rust resistant and durable. Although sometimes called a scanner antenna the discone antenna receives its name from its shape.

Sheet metal as illustrated in figure 1. Wind resistance or wind loading and its weight. The disc and cone can be made from solid metal sheet but this would increase the windage i e. A discone may be made from solid metal sheet often copper which is practical for small indoor uhf antennas such as for wi fi.

Wire antennas assembled from expanded metal or even poultry netting. Figure 3 return loss of radioshack 20 043 discone antenna. The d3000n super discone antenna is an ultra wideband antenna covering amateur radio commercial 2 way cellular air traffic control and various utility frequency bands. At lower frequencies a sufficient number of metal wires or rods in a spoke configuration is often used to approximate a solid surface.

The cone section below the disk will have the cone apex angle changed in a suite of tests.