Discone Antenna Sheet Metal

A discone antenna is a version of a biconical antenna in which one of the cones is replaced by a disc.

Discone antenna sheet metal. Get it as soon as thu sep 17. The cone section below the disk will have the cone apex angle changed in a suite of tests. Figure 2 return loss of aor da3000 discone antenna. Wind resistance or wind loading and its weight.

The high frequency bands picked up by these antennas are in the range of 3 mhz to 30 mhz. Small uhf forms may be constructed of sheet metal and thus exhibit the distinctive disk and cone. Figure 3 return loss of radioshack 20 043 discone antenna. Jan feb 2007 39 figure 7 wire table of an eznec discone model.

Although sometimes called a scanner antenna the discone antenna receives its name from its shape. Sirio antenna sd2000n 100 mhz 2 ghz discone wide band antenna. At lower frequencies a sufficient number of metal wires or rods in a spoke. A discone may be made from solid metal sheet often copper which is practical for small indoor uhf antennas such as for wi fi.

It consists of a top disc underneath which is a cone. Sheet metal as illustrated in figure 1. The antennas pick up bands in the very high frequency range of 30 mhz to 300 mhz. D3000n super 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.

Free shipping by amazon. This simplifies construction and reduces wind loading. This is the basic form for a 16 spoke discone antenna. 4 8 out of 5 stars 22.

At lower frequencies a sufficient number of metal wires or rods in a spoke configuration is often used to approximate a solid surface. What are the bands of operation of the discone antennas. Only 16 left in stock order soon. This antenna is often implemented in a skeleton form.

Gra d220 144 440 900 1200mhz 2m 70cm 33cm 25cm mini discone multiband wideband mobile scanner antenna 38 19 inch. The modes of operation for new and used discone antennas may include the following. 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.