5 8 wave antenna calculator

29623 best questions for 5 8 wave antenna calculator

We've collected 29623 best questions in the «5 8 wave antenna calculator» category so you can quickly find the answer to your question!

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Those interested in the 5 8 wave antenna calculator category often ask the following questions:

☑️ Can a 5 / 8 wave antenna be fudged?

  • With a 5/8 wave antenna the 'starting' impedance isn't anywhere close to where it can be 'fudged' by just tilting the radials. You have to do that 'matching' of impedances by some other method. Those 'other methods' include both capacitive and inductive reactances, you can do it with either a capacitor or a coil.

☑️ How big is a 5 / 8 wave antenna?

  • This 5/8 wave (physical & electrical) antenna has a nominal impedance of 50-52 ohms and can achieve average tuned SWR of 1.5 to 1 over 4 MHz. The over all length is 48.2" (122.4cm). Gain over isotropic is 6 dB. Gain over 1/4 wave is 3 dB.

☑️ How big is a 5 / 8 wave vertical antenna?

  • As a vertical monopole antenna is half the length of a dipole, this equates to about a five eighths wavelength vertical monopole antenna. When used as a vertical radiator against a ground plane this translates to a length of 5/8 wavelength.

☑️ What is the gain of a 5 / 8 wave antenna?

  • A quarter wave ground plane antenna has a radiation pattern that produces maximum gain at about 25 degrees and a half wave antenna drops that angle to 20 degrees, and the 5/8 wave antenna further drops that angle to 16 degrees.

☑️ Can you use a 5 8 wave antenna for cb?

  • A 5/8 wave is about as long as you can make an element (or.64 wavelength to be more accurate), without losing antenna performance. Typically for antennas this translates approx to 22' 6" at 27Mhz. Many CB base antennas are 24' in physical length,

Video from 5 8 wave antenna calculator

We’ve collected for you several video answers to questions from the «5 8 wave antenna calculator» category:

Video answer: Bose wave radio ~ bargain hunting in thrift stores

Bose wave radio ~ bargain hunting in thrift stores

Video answer: Bose wave radio music system iii sound test with bluetooth adapter and ipod nano

Bose wave radio music system iii sound test with bluetooth adapter and ipod nano

Video answer: How to improve am radio reception

How to improve am radio reception

Video answer: How to dramatically improve your am radio reception with homemade wire antenna

How to dramatically improve your am radio reception with homemade wire antenna

Top 29603 questions from 5 8 wave antenna calculator

We’ve collected for you 29603 similar questions from the «5 8 wave antenna calculator» category:

How does an antenna work voltage standing wave?

When an antenna is not matched to the receiver, power is reflected (so that the reflection coefficient, , is not zero). This causes a "reflected voltage wave", which creates standing waves along the transmission line. The result are the peaks and valleys as seen in Figure 1.

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Which is better full wave or vertical antenna?

  • A full wavelength vertical antenna will have a big null at the horizon with lobes pointing up and down and a wet noodle will probably work better unless your talking to the space shuttle. Click to expand... This statement, while 100% true, is worded in such a way that it's making me lol want to try making a wet noodle resonant on 2m or 70cm.

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Is the tridion cage a live wave antenna?

  • The appearance of the Live Wave Tv Antenna For four is not only the exterior of the Tridion cage, which is famous for its Live Wave Tv Antenna. It has a unique three-dimensional design style, which makes the body lines appear bumpy and unobtrusive, regardless of Mercedes or parked on the road.

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What is calculation for full wave antenna length?

The formulas for calculating the approximate length of a full-wave loop antenna are: Full-wave loop in feet = 1005 / frequency in MHz. Full-wave in meters = 306 / frequency in MHz.

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How does a quarter wave vertical antenna work?

  • Basic quarter wavelength vertical antenna. As the name suggests the quarter wave vertical antenna consists of a quarter wavelength vertical element. The antenna is what is termed "un-balanced" having one connection to the vertical element and using an earth connection or simulated earth connection to provide an image for the other connection.

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Is there an antenna for bose wave radio?

Boost FM reception on your Wave® system with this external dipole FM antenna. Recommended wherever FM signal strength is weak for one or more stations.

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What are principal planes in antenna wave propagation?

The principal plane in wave propagation is the E-plane and the H-plane of an antenna. The E-plane consists of the electric field vector, and by convention, it's the direction in which the wave is said to be 'polarized'. The H-plane consists of magnetic field vector of the wave. The electric field vector and the magnetic field vector are perpendicular to each other, and the direction in which the wave propagates (moves) is perpendicular to both of them.

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Radiation resistance of quarter wave monopole antenna is?

The radiation resistance of quarter wave monopole is 36.5 ohms

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How tall is a quarter wave vertical whip antenna?

  • One common mobile antenna is a quarter-wave vertical whip. This is roughly nine feet (2.7 metres) tall and mounted low on the vehicle body, and often has a spring and ball mount. A electrical length, and to enhance its resilience to scraping and striking overhead objects.

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Relation between wave length and size of the antenna?

To decrease antenna height For transmitting a signal of wavelength λ the antenna height must be λ/4. So if we want to send a 1 Hz (λ=3*10^8 m) signal ( very very low frequency) using an antenna , its height must be 75,000 Km ( impossible to build such a huge antenna ). If the same signal is modulated to some high frequency say 88 MHZ ( λ = 3.4 m ) , antenna height needed is 0.8522 m (quite easy to construct !!! ) (88 MHZ is the starting range of Frequency modulation which exists upto 108 MHZ).

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Is there a live wave antenna for four brabus?

  • The Live Wave Tv Antenna For four Brabus is based on this, plus a number of conversion kits, and visually, further highlights the sporty style. The Live Wave Tv Antenna For four Brabus modified version introduces the illusion of entering the “circle world”.

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How to build an end fed half wave antenna?

What is the best wire for an antenna?

  • The best wire to use in making a long wire antenna is a hard drawn copper or copper clad wire of around 12 or 14 gauge. These two wires will produce minimum stretch over long periods.

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How long is a 1 4 wave cb antenna?

102 inches

Yes, taller/longer is better for range of distance when it comes to an antenna and the optimal antenna length is 1/4 wavelength. That translates to 102 inches (8.5 feet), too tall to be practical for most mobile applications.

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Which antenna is best excited by a wave guide?

Horn Antenna is best exited by waveguide

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How to make a quarter wave ground plane antenna?

What is the formula for quarter wave antenna?

  • Figure 2. - a marconi antenna. The formula for quarter wave is L = 71.25 metres / freq (mhz) and in feet L = 234 / freq (mhz). Note the variance from the standard wavelength formula of 300 / freq. This is because we allow for "velocity factor" of 5% and our wavelength formula becomes 285 / freq.

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What is the beamwidth for half wave dipole antenna?

The directivity of a half-wave dipole antenna is 1.64 (2.15 dB).

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What is the gain of a vertical wave antenna?

  • A 1/4 vertical wave antenna will have a near spherical radiation pattern and a gain of 1Dbi. (1 Db advantage compared to Isotropic antenna) If we lengthen the element so that the antenna is now a 1/2 wave vertical, the antenna will begin to concentrate the signal and the radiation pattern will compress and look more like a doughnut.

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Does a 5'8 wave antenna need a 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.

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Is the receiving antenna radiate radio wave during reception?

A receiving antenna does "re-radiate" some of the power it receives, but not all. Some of the power it receives proceeds into the receiver ... which is the only way we detect the signal being received by the antenna.

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What is the gain of a half wave antenna?

  • The first is GAIN. The computer shows a ground plane antenna (mounted 1 foot above ground) has a gain of 2.41 dBd lowerthan a dipole's gain (free space). The half wave antenna (mounted 1 foot above ground) shows only 1.56 dBd lowerthan a dipole (free space), so you've increase your overall gain .85 dB over the ground plane antenna!

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How to make a 1 2 wave cb antenna?

  • For a quickie CB antenna, a vertical dipole (1/2) wave can be made right from the coax itself You take your coax and very carefully, without nicking the braided shield, strip 102 inches of the outer insulation jacket off one end. After removing the outer jacket, start bunching the shield down the coax from the end.

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How long is quarter wave antenna for 2m band?

This element is 1/4 wavelength long, or about 19 inches for the 2 meter band. Next up are the ground radials. a ground plane will often have three or four radials, each 1/4 wavelength long.

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How does the surf wave calculator calculate a wave?

  • The Surf Wave Calculator propagates the sea state from a reference point offshore of the surf zone up to the breaking point. It takes the following wave parameters at the reference point: Significant Wave Height, Peak Period, Water Depth and Angle of Incidence.

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What is the difference between 1/4 wave and 1/2 wave antenna?

The size of a 1/4-wave antenna is approximately one-quarter of the wavelength of the desired frequency, and the 1/2-wave is one-half the wavelength… Therefore, a 1/2-wave receiver antenna would be about 3 feet (1 m) long, and a 1/4-wave antenna would be about 18 inches (45 cm).

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Does a 1/4 wave antenna need a ground plane?

Does a 1/4 wave antenna need a ground plane? Answer: Yes. 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.

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Does a 1/2 wave antenna need a ground plane?

Does a 1/2 wave antenna need a ground plane? Answer: No… It does not require a ground plane to work efficiently. In fact it is best to install the 1/2 wave antenna at least 8 inches from any nearby metal objects for better performance.

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How big are the legs of a quarter wave antenna?

  • A quarter wavelength (total length) dipole would have legs of 1/8 wavelength each. This is not long enough favorable either. Dipoles of greater wavelengths (which are not odd

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How dose a antenna wave go out into the air?

How do radio waves travel through the air?

  • 1) Electricity flowing into the transmitter antenna makes electrons vibrate up and down it, producing radio waves. 2) The radio waves travel through the air at the speed of light. 3) When the waves arrive at the receiver antenna, they make electrons vibrate inside it. This produces an electric current that recreates the original signal.

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What is the operational frequency of half wave dipole antenna?

Its resonant frequency is where its length is half a wavelength, so for 100 MHz the wavelength is 3 metres and a 1.5-metre long dipole is resonant. A dipole antenna can be used for many applications within a band of 10-20% around the resonant frequency.

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How to calculate the length of a quarter wave antenna?

  • The formula for calculating the approximate length of a quarter-wave vertical antenna is: Quarter-wavelength in feet: 234 / frequency in MHz Quater-wavelength in meters: 71.5 / frequency in MHz

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How to convert coaxial antenna cable to bose wave radio?

Can a Bose Wave Antenna be used on an AM radio?

  • The noise gets eliminated from the signals and the sound improves impressively. Amazingly, the unit also vastly improves AM signals. Though the Bose Wave Antenna is ideally meant for Bose systems, you can use it with any radio that has a 3.5mm antenna port.

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Which is the best fm antenna for bose wave radio?

  • Bose Wave FM Antenna Bose Wave FM Antenna is famous for enhancing your Bose Wave Radio’s operation even in zones and places with little signal coverage and poor reception. The 75 ohm FM antenna for Bose wave radio is a handy accessory that meets my needs.

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What is the formula for a full wave dipole antenna?

936/Frequency = Length (Full wave) 468/Frequency = Length (Half wave) 234/Frequency = Length (Quarter wave)

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What is the formula for a quarter wave dipole antenna?

The length of a quarter wave for constructing one end of a dipole is: 234/MHz = feet of wire. For instance if you have an 80 meter ham radio transceiver and want to construct a dipole to match a frequency of 3.56 MHz (the low power calling frequency) then 234/3.56 = 65.7 feet Next buy a spool of speaker wire, mark off 65 and 3/4 feet, and pull apart the two wires until you reach the mark. Now you have a half wavelength dipole that resonates near 3.56 MHz. Start broadcasting in Morse code and I will meet you on the air! Sandy, KB3EOF

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What is the beam weight for half wave dipole antenna?

What is the beam width for a half wave dipole antenna? Explanation: The beam width is measured between the points on the radiation curve that are 3 dB down from the maximum amplitude of the curve. The maximum amplitude of the pattern occurs at 0° and 180°. The 3-dB down points are 70.7 percent of the maximum.

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What are the features of a quarter wave vertical antenna?

  • The quarter wave vertical antenna possesses the attributes of many vertical antennas including the omnidirectional radiation, and vertically polarised signals. As the name suggests the quarter wave vertical antenna consists of a quarter wavelength vertical element.

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What is the formula for a half wave dipole antenna?

  • The Half-Wave Dipole Antenna The most widely used formula to calculate the approximate overall length of wire required for a dipole is: 468 / frequency (MHz) = length of wire in feet. The antenna calculator above uses this formula as a starting point to calculate wire lengths for the dipole.

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How do you use elliott wave calculator?

To use this system, you must enter the high, low and close for the time frame, you want to trade.. If you want to trade for a time period of one week, take the high,low and close of the last 5 days.. If you want to trade for a time period of one month, take the high, low and close of the last 30 days..

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How does a wave generation calculator work?

  • The Wave Generation Calculator computes the mean wave parameters defining a sea state generated by a wind blowing with a specified strength and duration over a sea area. It takes the Wind Speed, Duration and Fetch as inputs. It determines the Significant Wave Height, Peak Wave Period and the Limiting Factor for Wave Growth.

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Can a bose wave antenna be used on an am radio?

  • The noise gets eliminated from the signals and the sound improves impressively. Amazingly, the unit also vastly improves AM signals. Though the Bose Wave Antenna is ideally meant for Bose systems, you can use it with any radio that has a 3.5mm antenna port.

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What are the three type of wave polarizations radiated by antenna?

  • Linear Polarization. Linear polarization refers to an antenna system that is operating with Horizontal and Vertical polarization…
  • Slant Polarization…
  • Circular Polarization.

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How is wave speed calculated in a calculator?

  • The calculator will evaluate and display the total wave speed. The following formula is used to calculate the speed or velocity of a wave. Wave speed, also known as wave velocity, is a term used in physics to describe the speed at which a wave is propagating.

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How does the ocean wave calculator help you?

  • The ocean waves calculator will let you know if your input data falls outside the recommended parameter limitations for the selected theory in the two active display diagrams from Dean ( Fig 4 for boundary conditions - wave slam) and Le Méhauté ( Fig 5 for submerged conditions). Fig 5. Theory Applicability

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Can wave 5 be lower than wave 3?

In a diagonal, in fact, wave 4 almost always enters in the price territory of wave 1. A diagonal is typically contracting but, in rare oc- casions, expanding. In the contracting variety, wave 3 is shorter than wave 1, wave 5 is shorter than wave 3, and wave 4 is shorter than wave 2.

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What is wave 5 of elliott wave cycle?

In Elliott Wave Theory, the traditional definition of motive wave is a 5 wave move in the same direction as the trend of one larger degree. There are three different variations of a 5 wave move which is considered a motive wave: Impulse wave, Impulse with extension, and diagonal.

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Can wave 3 be shorter than wave 5?

Which is longer Wave 1 or Wave 3?

  • In that case wave 3 must give us at least 1.618 fib extension of wave 1 and could go up to 2.618 fib ext or more… In other cases, it’s more likely that extension would appear in wave 5 than in wave 1. – If wave 5 is extended -wave 3 needs to be longer than wave 1, otherwise Elliott Wave count is wrong.

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How do you measure the length of a 1/4 wave antenna?

1/4 wave length antenna

take 300 and divide by the frequency. So 150 MHz becomes 2 meters, 300 MHz becomes 1 meter, 600 MHz becomes 1/2 meter. Then take the length in meters and multiply by 3.28 to convert to feet (unless you want to remain metric). Take that result and divide by 4 for 1/4 wavelength.

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What is the formulafor a quarter wave vertical antenna on 40 meters?

The basic formula for a half wave dipole is: L (length in feet) = 492/f (frequency in Mhz (1,000,000 Hz) Divide this by 2 for a quarter wave antenna. So for 40 meters (say 7.1 Mhz) the length would be 492/7.1 = 69.2/2 = 34ft & 7 3/4 ins. In practice, because of "end effect" the antenna can be shortened an inch or so.

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How are degrees interpreted in a sine wave calculator?

  • There are three possible: Radian The number put in the box is interpreted as radians, for example, 2 radians Degrees The number put in the box is interpreted as degrees, for example, 60 degrees Pi radian The number put in the box is interpreted as a factor in front of the number , for example, 2radian.

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How to find velocity of a wave formula calculator?

  • The following formula is used to calculate the speed or velocity of a wave. Wave speed is calculated by multiplying the frequency of the wave in hertz by the wavelength of the wave in meters. V = f * w Where V is the velocity (m/s)

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