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typical usage VHF, 50 - 330 Mhz. Very long range UHF 300 - 1000 Mhz. Maximum 12500 Mhz
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∙ 14y ago
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What type of electromagnetic wave is used for radar?
It is microwaves that are used for radar. They are high frequency, short wavelength electromagnetic waves, and a number of different frequency ranges of these microwaves are used depending on the application. A link is provided to the Wikipedia article on radar and the different bands or ranges of frequencies that are used and their applications.
Did the NZ cops change their radar frequencies recently so that radar detectors cant pick them up anymore?
Not really. For years they have been using K band and Ka band. Yet fairly recently they have mostly phased out the use of K band. New Zealand is allowed to use the same three Ka band frequencies which are used in the USA. These Ka frequencies are 33.8, 34.7 and 35.5. The 34.7 Ka frequency is the easiest to detect with any quality radar detector. The 35.5 frequency is poorly detected by some radar detector brands, notably Cobra. The 33.8 Ka frequency may be only fairly well detected by dome radar detector brands.
What is the history of germanium diode?
Germanium point contact diodes were first created and used during World War 2 as detectors in microwave RADAR systems, as the vacuum tubes available at that time did not operate at microwave frequencies. Shortly after World War 2 germanium junction diodes were created.
What is radar pedestal?
That is the tower or building that the radar sits on. Radar systems are usually placed in high places so they have an unobstructed view.
What type of electromagnetic waves are microwaves and radar?
Technically, all electromagnetic waves are the same type: electromagnetic. The only difference between them is their frequency or wavelength -- that is, how fast they vibrate. We humans categorize the electromagnetic spectrum in chunks of frequencies for our own convenience. Because the frequency of a wave affects how it interacts with matter, it's helpful to label ranges of frequencies that way. These are the names we use from low frequency to high: Radio waves, microwaves, infrared, visible light, ultra-violet light, x-rays, gamma rays, and cosmic rays. Microwaves are used in radar instruments, so they are commonly called "radar" waves as well. Check out the links to see a nice graphic of the electromagnetic spectrum.
Radar can operate at frequencies as high as?
100000hz
What frequencies do radar detectors use?
Radar detectors don't "use" any frequencies. However they listen to certain frequencies known as bands(K, Ka, X, Ku). These bands are the frequencies allocated to radar guns to operate on.
What is a typical radar operating frequency?
Typical radar operates in the 50 to 330 megahertz bands. However, long range radar uses ultra high frequencies in the 300 to 1,000 megahertz range.
What type of frequencies do bats use for their radar?
ultrasonic
What is a radar PRF?
Radar Pulse Repetition Frequency - The number of pulses the radar system sends out to the target. A pulse can contain multiple frequencies.
How does a cobra detector work?
A cobra detector is a radar detector. Radar detectors work the same way a radio receiver does. The radar detector looks for frequencies that a radar gun uses.
How high can a radar operate?
Radar is just another pulsed electromagnetic wave, and may travel freely throughout space. Radar transponders are left on our Moon and measure orbital variations. The upper frequency limit is only defined by our ability to operate technology at high frequencies. Light radar (lidar) is commonly used on the highway, albeit in Doppler mode. There appears to be no practical limit to operational height. -- The Doppler Weather Radar units operated by NOAA/NWS are routinely mounted on towers at least 100-ft off the ground. -- Air Route Surveillance Radar (ARSR) installations are routinely constructed on mountaintops. -- All commercial airliners and military aircraft are equipped with Radar units, which function quite satisfactorily while in flight. -- Side Aperture Radar (SAR) has been used aboard the Space Shuttles and other artificial Earth satellites to map the Earth's surface, with spectacular success. -- Radar units have been used very successfully to map the surfaces of the moon and several planets.
What type of wave is used for radar?
It is microwaves that are used for radar. They are high frequency, short wavelength electromagnetic waves, and a number of different frequency ranges of these microwaves are used depending on the application. A link is provided to the Wikipedia article on radar and the different bands or ranges of frequencies that are used and their applications.
What type of electromagnetic wave is used for radar?
It is microwaves that are used for radar. They are high frequency, short wavelength electromagnetic waves, and a number of different frequency ranges of these microwaves are used depending on the application. A link is provided to the Wikipedia article on radar and the different bands or ranges of frequencies that are used and their applications.
Which frequencies are the airband frequencies?
Airband, a group of frequencies in the VHF radio spectrum, uses the frequencies between 108 and 137 megahertz. A license is required to operate airband equipment.
Agreements allowing CAP stations to operate on non-CAP frequencies must be?
Agreements allowing CAP stations to operate on non-CAP frequencies must be from a licensed agency.
Can you have a radar detector on a military base?
As of 2002, it is illegal to operate a radar detector on any U.S. military base.
