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The maximum usable frequency regularly drops below 10 MHz in darkness during the winter months, while in summer during daylight it can easily surpass 30 MHz.
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maximum and usable
The unformatted capacity of the floppy disks was advertised as " 250KB " for SSDD and " 500KB " for DSDD (" KB " ambiguously referring to either 1000 or 1024 bytes ; essentially the same for rounded-off values ), however these " raw " 250 / 500 kB were not the same thing as the usable formatted capacity ; under DOS, the maximum capacity for SSDD and DSDD disks was 180 kB and 360 kB, respectively.
In radio transmission maximum usable frequency ( MUF ) is the highest radio frequency that can be used for transmission between two points via reflection from the ionosphere ( skywave or " skip " propagation ) at a specified time, independent of transmitter power.
The maximum usable temperature is highest for alnico magnets at over, around for ferrite and SmCo, about for NIB and lower for flexible ceramics, but the exact numbers depend on the grade of material.
Changes in solar output affect the maximum usable frequency, a limit on the highest frequency usable for communications.
Both DOS and OS JCL have a maximum usable line length of 80 characters, because when DOS / 360 and OS / 360 were first used the main method of providing new input to a computer system was 80-column punched cards.
Since only ten percent of those registered as legally blind have no usable vision, many students are also taught to use their remaining sight to maximum effect, so that some read print ( with or without optical aids ) and travel without canes.
Deposition of lead into the rifling grooves of barrels and into the forcing cones of revolvers limits the maximum usable velocity of wadcutters to less than about 900 ft / s.
For a good quality telescope operating in good atmospheric conditions, the maximum usable magnification is limited by diffraction.
In practice it is widely considered to be 2 × the aperture in millimetres or 50 × the aperture in inches, so a 60mm diameter telescope has a maximum usable magnification of 120 ×.
The conflicting design goals for economy cars — small size with maximum usable interior space ; low cost and light weight with acceptable safety performance, light cars have a higher ratio of unsprung suspension mass to sprung mass which affects ride quality, and the need for light materials with acceptable durability, continue to stimulate innovative development.
Strength ( or maximum usable stress ) available to a particular material is not related to its material stiffness ( the material property governing deflection ); it is a separate criterion in curtain wall design and analysis.
The battery pack is a 386V lithium ion battery pack comprising about 4, 500 cells and rated at 41. 8 kW · h of usable energy at full charge, with a maximum power output of 129 kW.
Some display devices exhibit different behaviour in horizontal and vertical axis, requiring users and manufacturers to specify maximum usable viewing angles in both directions.
The usable range of bat detectors decreases with humidity and in misty conditions the maximum range can be very low.
Other examples are surface based CAPE ( SBCAPE ), mixed layer or mean layer CAPE ( MLCAPE ), most unstable or maximum usable CAPE ( MUCAPE ), and normalized CAPE ( NCAPE ).
maximum and frequency
Modern Class AB amplifiers commonly have peak efficiencies between 30 – 55 % in audio systems and 50-70 % in radio frequency systems with a theoretical maximum of 78. 5 %.
Most commonly, bandwidth refers to the 3-dB bandwidth, that is, the frequency range within which the spectral density ( in W / Hz or V < sup > 2 </ sup >/ Hz ) is above half its maximum value ( or the spectral amplitude, in V or V / Hz, is more than 70. 7 % of its maximum ); that is, above − 3 dB relative to the peak.
In calculations of the maximum symbol rate, the Nyquist sampling rate, and maximum bit rate according to the Hartley formula, the bandwidth refers to the frequency range within which the gain is non-zero, or the gain in dB is below a very large value.
In basic electric circuit theory, when studying band-pass and band-reject filters, the bandwidth represents the distance between the two points in the frequency domain where the signal is of the maximum signal amplitude ( half power ).
In this equation, is the instantaneous frequency of the oscillator and is the frequency deviation, which represents the maximum shift away from f < sub > c </ sub > in one direction, assuming x < sub > m </ sub >( t ) is limited to the range ± 1.
where is the highest frequency component present in the modulating signal x < sub > m </ sub >( t ), and is the peak frequency-deviation — i. e. the maximum deviation of the instantaneous frequency from the carrier frequency.
Variants of the 8088 with more than 5 MHz maximum clock frequency include the 8088-2, which was fabricated using Intel's new enhanced nMOS process called HMOS and specified for a maximum frequency of 8 MHz.
The frequency of a filter and the envelope attack, or the time it takes for a sound to reach its maximum level, are examples of synthesizer parameters, and can be controlled remotely through MIDI.
Increasing the frequency of the incident beam, keeping the number of incident photons fixed ( this would result in a proportionate increase in energy ) increases the maximum kinetic energy of the photoelectrons emitted.
Above the threshold frequency, the maximum kinetic energy of the emitted photoelectron depends on the frequency of the incident light, but is independent of the intensity of the incident light so long as the latter is not too high
He found that the calculated maximum electron kinetic energy is determined by the frequency of the light.
For example, an increase in frequency results in an increase in the maximum kinetic energy calculated for an electron upon liberation – ultraviolet radiation would require a higher applied stopping potential to stop current in a phototube than blue light.
maximum and regularly
Jitter period is the interval between two times of maximum effect ( or minimum effect ) of a signal characteristic that varies regularly with time.
The expense forms submitted by David Borrow consistently and regularly submitted the same maximum unreceipted values allowed for items such as food or services.
Playing coach Jerry Sloan's scrappy and tough style and perfecting the pick and roll to a maximum degree of efficiency, the Jazz regularly made the playoffs with a winning record.
The plateau has a mild climate although the temperature regularly falls below freezing in winter and snow can fall between March and October. The period of maximum snow is July to September.
Largo's original location on Fairfax Avenue had 100 seats with a maximum full capacity of 130, and regularly sold out, with frequent sightings of celebrity musicians and actors in the audience.
Males tend to have an absolute maximum size of 1. 0 kg or less, while females regularly exceed 1. 0 kg and sometimes reach the maximum size of 2. 5 – 3. 0 kg.
It is wise to assume that the ship will regularly operate fully loaded, in heavy weather and strong waves, and that it will encounter its maximum normal design operating conditions many times over its lifetime.
1.525 seconds.