The antenna system requires a “ground plane” for the radio wave to form. With dipoles, one half of the antenna is your ground. In verticals, something below must provide ground to complete the RF wave.
How big does a ground plane need to be for a CB antenna?
All 1/4 wave antennas work best if they are installed in the center of a metal ground plane with at least 1/4 wave length radius (1/2 wave length diameter: ~6 inches for 900Mhz and ~3 inches for 2.4Ghz); larger is better. The antenna can still work on a smaller ground plane but the efficiency will be reduced.
How do you ground a Firestik antenna?
All you need to do is to run a short (as short as possible) ground wire from the mount to a place on the vehicle that has a good chassis ground. Usually on the swing-away tire racks it is necessary to run the coax down one of the support bars to allow it to be routed to the radio.
How big does a ground plane need to be?
To function as a ground plane, the conducting surface must be at least a quarter of the wavelength (λ/4) of the radio waves in radius. In lower frequency antennas, such as the mast radiators used for broadcast antennas, the Earth itself (or a body of water such as a salt marsh or ocean) is used as a ground plane.
What does a ground plane do for a CB base antenna and how it works?
A ground plane for a CB radio antenna is the metal surface required below the antenna. In mobile applications, the vehicle body/frame acts as the ground plane (reflective unit). The metal surface enables the signal generated when transmitting to reflect off the surface and travel into the atmosphere.
What does a ground plane do for a CB antenna?
Does 5/8 wave antenna need ground plane?
The absence of a ground plane or very small ground plane will cause the matching circuit for the 5/8 wave to be a little different due to less capacitance between the vertical element and the ground plane, otherwise there is no “reflection or radiation from a second source” to produce gain in a 5/8 wavelength antenna.
What is the best way to ground a CB antenna?
Worth mentioning again is that the most important part of getting a good ground is to attach the ground to metal rather than plastic or other materials. You also need to place the hot side of the coaxial cable to the antenna itself. The ground is the side that comes from the shield of the coaxial cable.
Where is the firestik antenna company located?
About the 342 mile per hour Firestik flag really! Click here. Firestik Antenna Company • 2614 E Adams St • Phoenix, Arizona 85034-1495 Tel:602•273•7151 Fax:602•273•1836 Contact Us by E-Mail For Business Hours & Schedule – Click Here Click for Printable Price Sheets: MAIN PRODUCT LINE HOBBYIST MATERIALS
Are firefirestik antennas any good?
Firestik Antenna is one of the most popular antenna brands and are well known for their high performance, high quality, and easy tune antennas. They are made in the U.S. and specialize in manufacturing wire-round CB antennas.
What is the best brand of CB antenna?
Firestik. Firestik Antenna is one of the most popular antenna brands and are well known for their high performance, high quality, and easy tune antennas. They are made in the U.S. and specialize in manufacturing wire-round CB antennas. They also make other specialized equipment such as antenna springs, antenna mounts, flag sticks,…
How do you ground a CB antenna?
When you’re deciding how to ground your CB antenna system, recall that the antenna will be more efficient when you use the most metal on your car. To pull the metal together, you may need to bond the metal parts by using more than one ground strap in different locations.
