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Discone antenna sheet metal.
Jan feb 2007 39 figure 7 wire table of an eznec discone model.
The disc and cone can be made from solid metal sheet but this would increase the windage i e.
4 8 out of 5 stars 22.
Gra d220 144 440 900 1200mhz 2m 70cm 33cm 25cm mini discone multiband wideband mobile scanner antenna 38 19 inch.
Ed figure 5 shows the simulated.
Figure 2 return loss of aor da3000 discone antenna.
Small uhf forms may be constructed of sheet metal and thus exhibit the distinctive disk and cone.
This antenna is often implemented in a skeleton form.
A discone may be made from solid metal sheet often copper which is practical for small indoor uhf antennas such as for wi fi.
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.
The aor da3000 uses 16 while the diamond.
Wire antennas assembled from expanded metal or even poultry netting.
When using rods at least eight should be used.
This simplifies construction and reduces wind loading.
Wind resistance or wind loading and its weight.
A discone may be made from solid metal sheet often copper which is practical for small indoor uhf antennas such as for wi fi.
Gnec is only available to user s who are licensed from lawrence livermore national labs to use nec4.
Figure 3 return loss of radioshack 20 043 discone antenna.
Although sometimes called a scanner antenna the discone antenna receives its name from its shape.
This is the basic form for a 16 spoke discone antenna.
At lower frequencies a sufficient number of metal wires or rods in a spoke configuration is often used to approximate a solid surface.
Each of these broadband antennas has.
Sirio antenna sd2000n 100 mhz 2 ghz discone wide band antenna.
These antennas include the bicone discone helix and oth ers.
Sheet metal as illustrated in figure 1.
Get it as soon as thu sep 17.
A discone antenna is a version of a biconical antenna in which one of the cones is replaced by a disc.
Rust free stainless steel is employed in major component parts making the antenna rust resistant and durable.
It consists of a top disc underneath which is a cone.
