Cb Antenna Attic Ground Plane Radials

It is not always necessary to have a minimum of four radials often even two will suffice.

Cb antenna attic ground plane radials.

Ahh the good old quarter wave ground plane. Possibly the radials have been removed or the antenna has been otherwise modified. A ground plane for a cb radio antenna is the metal surface needed below the antenna. That consists of a single vertical 108 radiator section and 3 or 4 108 radials drooped at a 45 degree angle to provide the proper 50 ohm feedpoint impedance.

It also features 3 radials with plastic arms bracket reinforcement that further improve the transmission range. Endgroup mike waters jul 9 17 at 1 04. The radiating element is a quarter wave λ 4 and the radials are 12 longer. 4 3 out of 5 stars 14.

Tall when you finally install it which is high enough to capture more reliable signals. Cb wilson firestik francis astatic cb radio antenna ground plane 3 8 x 24 black tip mirror trucker. Thus my questions in the comment above. The cb base station antenna stands about 10ft.

The metal surface enables the signal generated when transmitting to reflect off the surface and travel into the atmosphere. The metal surface enables the signal generated when transmitting to reflect off the surface and travel into the atmosphere. 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.

In mobile applications the vehicle body acts as the ground plane reflective unit. Vertical antenna with ground plane radials. Sirio doesn t cut corners when it comes to the quality of their products. Nagoya gpk 01 21 radials nmo mount ground plane kit for base or.

Pro trucker white wilson firestik francis astatic cb radio antenna ground plane 3 8 x 24 mirror trucker by wilson. There are usually four radials three being a minimum but you could use up to six. λ 4 and 5 8λ and questions like this often don t tell what s needed to answer the question. It is also possible to shorten them with marginal impact on the performance especially if they are loaded to keep their electrical length.

This calculator can be used to design a quarter wave ground plane antenna with radials. Begingroup cb ground plane antennas come in various designs e g.