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Since radio waves travel at the speed of light, accurate distance measurement requires high-performance electronics.
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Since the absorption of radio waves in rocklike material varies with wave length, it should be possible to sample the temperature variation at different depths beneath the surface and possibly detect changes in the structure or composition of the lunar surface material.
Since 2002 she has also made numerous television and radio appearances, including as a television presenter.
Since Black Flag disbanded, Rollins has hosted numerous radio shows, such as Harmony in My Head on Indie 103, and television shows such as The Henry Rollins Show, MTV < nowiki >'</ nowiki > s 120 Minutes, and Jackass.
Since 1983, Shearer has been the host of the public radio comedy / music program Le Show on Santa Monica's NPR-affiliated radio station, KCRW.
Since ISDN provides a high quality connection this assists in delivering good quality audio for transmission in radio.
Since the early 1940s, Kingman Reef has had very little human contact, though amateur radio operators from around the world have occasionally visited the reef to put it " on the air " in what is known as a DX-pedition.
Since then, radio communication has been used extensively in directing the pilgrimage and addressing the pilgrims.
Since Independence in 1990, Namibia has seen a dramatic growth in radio stations, with both commercial ( for instance Radio 99, Radio Wave, Radio Energy, Omulunga Radio, West Coast FM, etc.
Since radio circuits inherently possess a broadcast network topology ( i. e., many or all nodes are connected to the network simultaneously ), one of the first technical challenges faced in the implementation of packet radio networks was a means to control access to a shared communications channel.
Since there is not much bandwidth in this band of the radio spectrum, only the very simplest signals are used, such as for radio navigation.
Since there is a limited number of frequencies for non-cable television and radio stations, the government licenses them to various companies.
Since then, XTC became exclusively a studio band, apart from occasional live-to-air performances from radio stations, and a handful of TV appearances.
Since March 2012, Cook hosts a one hour radio programme titled On The Road To Big Beach Bootique 5 on XFM.
Since the advent of radio, and then television, the speech has been broadcast live on most networks, preempting scheduled programming.
Since NBC was the broadcast arm of radio set manufacturer RCA, its chief David Sarnoff approached his decisions as both a broadcaster and as a hardware executive ; NBC's affiliates had the latest RCA equipment, and were often the best-established stations, or were on " clear channel " frequencies.
Listeners immediately picked up on the song, 32 Jaar, although they struggled to remember the original name Sinds 1 Dag Of 2 ( Since a day or 2 ), until radio DJ Frits Spits renamed it to the current title.
Since SSTV systems operate on voice frequencies, amateurs use it on shortwave ( also known as HF by amateur radio operators ), VHF and UHF radio.
Since the geometric line of sight passes at varying heights over the Earth, the propagating radio wave encounters slightly different propagation conditions over the path.
Since 1974, the show has been broadcast from the Grand Ole Opry House east of downtown Nashville and performances have been sporadically televised in addition to the radio programs.
Since then, its radio service, like the BBC, has been commercial-free.
Since and waves
Since ECMWF runs a wave model, there are also predictions of coastal waves and storm surges in European waters which can be used to provide warnings.
Since Einstein's equations are non-linear, arbitrarily strong gravitational waves do not obey linear superposition, making their description difficult.
Since the fall of the Berlin Wall in 1989, and more recently, the 2004 and 2007 enlargements of the European Union, the main waves of migration came from the former socialist countries of Eastern Europe ( especially Romania, Albania, Ukraine and Poland ).
Since each amplitude envelope contains a group of internal waves, this speed is usually called the group velocity.
Since the particle speed < math > v < c </ math > for any particle that has mass ( according to special relativity ), the phase velocity of matter waves always exceeds c, i. e.
Since light was known to be waves of electromagnetism, physicists hoped to describe this emission via classical laws.
Since the path length varies, generally, so will the phases of the waves at that point from each of the slits, and thus will add or subtract from one another to create peaks and valleys, through the phenomenon of additive and destructive interference.
Since the electric field can rotate clockwise or counterclockwise as it propagates, elliptically polarized waves exhibit chirality.
Since the ground is not a perfect electrical conductor, ground waves are attenuated as they follow the earth ’ s surface.
Since longitudinal waves have a much greater phase velocity than transverse waves, V < sub > long </ sub > is much greater than V < sub > trans </ sub >, and the relaxation length or mean free path of longitudinal phonons will be much greater.
Since these satisfy the Schrödinger equation-the solutions to Schrödinger's equation for a given situation will not only be the plane waves used to obtain it, but any wavefunctions which satisfy the Schrödinger's equation prescribed by the system, in addition to the relevant boundary conditions.
Since the sound waves propagate, not from a single point source, but along the length of the lightning's path, the sound origin's varying distances from the observer can generate a rolling or rumbling effect.
Since with electromagnetic radiation like microwaves frequency is inversely proportional to wavelength, the wavelength of the waves is also affected.
Since shear waves cannot pass through liquids, this phenomenon was original evidence for the now well-established observation that the Earth has a liquid outer core, as demonstrated by Richard Dixon Oldham.
Since at least the early 16th century, Wandsworth has offered accommodation to consecutive waves of immigration, from Protestant Dutch metalworkers fleeing persecution in the 1590s to recent Eastern European members of the European Union.
Since those fluid waves move the cochlear partition that separates the scalae up and down, the waves have a corresponding symmetric part in perilymph of the scala tympani, which ends at the round window, bulging out when the oval window bulges in.
Since the transom may need to be cut down for the engine to fit properly, an engine well should be used to prevent low waves from splashing over the transom and flooding the boat.
Since then, the City of Etowah has ridden the waves of economic downturns and successes, such as the closing of the L & N shops in the 1930s and the recruitment of new industries, to evolve into the city that it is today.
Since these observations agreed with theory for elastic waves, they showed that the Earth could be treated as elastic in studies of seismic waves.
Since the SLDMB has a very small surface area above the ocean surface and a high underwater surface area, there is very little leeway in response to the direct forcing of winds and waves.
Since and travel
Since the 1950s, this type of fiction has to a large extent merged with science fictional tropes involving cross-time travel between alternate histories or psychic awareness of the existence of " our " universe by the people in another ; or ordinary voyaging uptime ( into the past ) or downtime ( into the future ) that results in history splitting into two or more time-lines.
Since the parabola is symmetrical, the travel away from the board as the diver passes it is twice the amount of the forward travel at the peak of the flight.
Since these people would have to be descended from Adam, they would have had to travel to the other side of the Earth at some point ; Augustine continues:
Since there was already an existing road between Mabura and Kurupukari, and between Annai and Lethem, it was now possible for vehicles to travel between Georgetown and Lethem.
Since the new school year generally starts right after Labour Day, families with school-age children take it as the last chance to travel before the end of summer.
Since the pheromone is carried by the wind, males tend to travel up the concentration gradient, i. e., toward the source.
Since the mid-1990s, commercial travel on Uzbekistan ’ s portion of the Amu Darya has been reduced because of low water levels.
Since the vacuum offered no medium for an electric fluid to travel, this discovery could only be explained via a particle carrying a negative charge and moving through the vacuum.
) Since these conductors travel the same path from source to destination, the assumption is that any interference is induced upon both conductors equally.
Since the 1980s, with the advent of flexible, yet stiff graphite ferrules, travel rod technology has greatly advanced, and multi-piece travel rods that can be transported in a suitcase or backpack constitute a large share of the market.
Since glass shows dispersion, these different frequencies will travel at different speeds and the shape of the pulse will therefore change over time.
Since the outer-most spans ( or towers ) travel farther in a given time period than the innermost spans, nozzle sizes are smallest at the inner spans and increase with distance from the pivot point.
Since Earth is round, if their downward bending curve is about the same as the curvature of the Earth, light rays can travel large distances, perhaps from beyond the horizon.
Since the Spacers were the first colonists from Earth back in the ancient days of space travel, it is surmised that their planets would be fairly close to Earth.
Since time travel is considered to be non-physical, tachyons are believed by physicists either to not exist, or else to be incapable of interacting with normal matter.
Since World War II, this attitude in planning has resulted in the widespread use of travel modeling as a key component of regional transportation planning.
Since the travel of the motion system is limited, a principle called ' acceleration onset cueing ' is used.
Since Christianization, there have been several reports related to local mythology including chronicles, travel reports, visitation records, Jesuit reports and other accounts of pagan practices.
Since its completion in 1995, the AA Highway has allowed Greenup residents to more easily travel to Maysville, Kentucky as well as Northern Kentucky and Cincinnati, Ohio.
Since communications between ports on two different switches travel via the uplink ports of each switch involved, every VLAN containing such ports must also contain the uplink port of each switch involved, and these ports must be tagged.
Since June 2007 it has been connected to the TGV network, reducing travel time to Paris to only three hours ( compared to 5 hours previously ).
Since missionaries often travel to areas or people groups where Jesus is not yet known, they frequently take on an evangelistic role.
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