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Not necessarily, but the antenna does need to be grounded.
1). Reflection of vertically polarized waves is less efficient, so vertical polarization is less susceptible to multipath fading due to ground-based reflection. 2). In order to avoid directional effects due to the radiation pattern of the receiving antenna (losing the mobile signal when the car turns a corner), the antenna wants to be vertical. That generally means vertical electrical polarization.
Car radio antennas are typically vertical because they are designed to receive radio waves that are vertically polarized. Vertical antennas are more efficient at picking up vertically polarized signals, which are the most common type of radio wave used for broadcasting. Additionally, vertical antennas are less susceptible to interference from nearby objects compared to horizontal antennas. Overall, a vertical orientation maximizes the antenna's ability to receive radio signals effectively.
Chances are that, unless you have a high end stereo system in your Jeep with electric antenna, you probably have a fixed post antenna that will not retract. This can be replaced with an aftermarket antenna that can go down but my experience is that the sheet metal that the antenna is mounted to is at such a severe angle that every aftermarket mounting kit that I found will not allow the antenna to stand properly vertical. You might try the dealer if its important enough. I believe they got away from the older style retractable antennas because they just don't last.....especially if you go down a trail that has branches that will catch the mast.
That's like asking "Does driving a car produce accidents ?", or "Does lighting a cigarcause houses to burn down ?"The answer is: It can, if the amateur transmitter and antenna aren't properly designed,or if the TV set is improperly adjusted or cheaply manufactured. But it doesn't happenautomatically all the time. And one of the subjects that a ham operator is tested onwhen he applies for his government license is: how to avoid TV interference, and howto cure it if it happens.
Paul H. Lee has written: 'The amateur radio vertical antenna handbook' -- subject(s): Amateurs' manuals, Antennas, Radio
1480'
The antenna of walky talkies are vertical when in position, so to better pick up radio waves more accurately.
Azimuth refers to the horizontal angle or direction measured clockwise from true north to the point of interest. Elevation, on the other hand, refers to the vertical angle or height above a specific reference point, usually the horizon. In simpler terms, azimuth is the side-to-side angle, while elevation is the up-and-down angle.
i believe that the antenna for these cars are on the rear window - the two vertical lines that are near the window brake light.
The flow chart follows this pattern; Transceiver to amplifier then out to swr meter, then into antenna tuner then out to antenna.
Not necessarily, but the antenna does need to be grounded.
An antenna coupler is usually placed at the base of the vertical stabilizer to connect the antenna at the leading edge of the stabilizer to the rest of the system.
76.5 feet.
Counterpoise is used in a dipole vertical antenna to improve its performance by providing a balanced electrical path for the antenna. This helps to reduce common-mode currents and improve the antenna's efficiency in transmitting and receiving signals. By using a counterpoise, the dipole antenna can achieve a better radiation pattern and impedance matching.
All three, and many others besides. It depends on the frequency band being worked, the amount of room you have for the antenna, the amount of money you have to spend on antennas, and the amateur's personal preference.
No. They can be circularly polarized with the correct phasing harness, or used as a way to switch between horizontal and vertical polarization with one antenna. No. They can be circularly polarized with the correct phasing harness, or used as a way to switch between horizontal and vertical polarization with one antenna.