Are dipole antennas better?
Another advantage of dipole antennas is they are very efficient when used at their resonant frequency. Height also matters—the higher the dipole, the better. Ideally, a dipole should be at a half wavelength above ground for best performance and making DX contacts.
Who makes ham sticks?
Review Summary For : Ham Stick by Lakeview Co. I bought a 10,20 and 40M stick with the four magnet 376 mount for the roof of my Honda Element….eMail Subscription.
|Category:||Antennas: HF Mobile & Accessories|
|Product:||Ham Stick by Lakeview Co.|
What is a dipole antenna ham radio?
ipole antennas have been widely used since the early days of radio. A dipole is a balanced antenna, meaning that the poles are symmetrical: They’re equal lengths and extend in oppo- site directions from the feed point. In its simplest form, a dipole is an antenna made of wire and fed at its center as shown in Fig 1.
Why dipole antennas are a half wave long?
The dipole antenna is cut and bent for effective radiation. The length of the total wire, which is being used as a dipole, equals half of the wavelength (i.e., l = λ/2). Such an antenna is called as half-wave dipole antenna. This is the most widely used antenna because of its advantages.
Is a balun needed for a dipole antenna?
Paul, a dipole does not *have* to have a balun. Having one may help prevent RF from coming down the line into the shack and may improve the radiation characteristics of the dipole, but I’ve run dipoles connected straight to coax without a problem. Put one up without a balun and see how it works for you.
What is a screwdriver antenna?
A screwdriver antenna is a vertical antenna with a remotely-adjustable center-loading coil. Intended for mobile operation, it may be adjusted to cover any band from 10m to 75m. The antenna takes its name from the use of a reversible DC electric motor like that of an electric screwdriver.
Can a dipole antenna be bent?
One way to fit a dipole antenna in a restricted space is to bend the legs. They can be bent horizontally, drooped downward, or any other imaginable configuration to fit in the space available.
How do you build a dipole antenna?
How to make a Simple Dipole Antenna. It is very easy to create a simple 1/2 wave dipole, all you need is some lengths of wire such as the core of some mains flex or even a straightened out metal coat hanger, some co-ax cable and a connector for your scanners antenna input (usually BNC or SMA).
What are Ham antennas?
Antennas are the core of any ham radio worth its salt. It can range in size and capabilities, from as small as 6″ to as large as a room. Due to this, generally, there is a method to the madness, as most antennas are categorized by their abilities.
What is a dipole TV antenna?
Dipole means “two poles,” and is typically the simplest type of antenna, such as the familiar “rabbit ears” on a television. Multiband refers to radio communications across frequencies reserved for uses such as air band, public services, marine band , and citizens band, television, and commercial radio transmissions.
What is a multiband dipole antenna?
A multiband dipole antenna, also called a doublet or half-wave dipole, is a radio antenna of electrically conducting rod or wire that is one-half a wavelength long. Split at the center with an insulator, the wire connects to a transmission line that has a radiation pattern with a maximum at right angles to the antenna.