Since then, there has been a notable increase in the number of stations and also the accumulation of additional data and the development of new techniques for using it, leading to a better understanding of propagation phenomena.

Since 2007 Raytheon has continued to slip on AMRAAM deliveries, leading the USAF to withhold $ 621 million in 2012 on account of 193 missiles not delivered.

Since 1916, there have been several different nutrition guidelines issued by the United States government, eventually leading up to the food pyramid.

Since a witness called by the opposing party is presumed to be hostile, cross-examination does permit leading questions.

Since independence, Fiji has been a leader in the South Pacific region, and has played a leading role in the formation of the South Pacific Forum.

Since World War II France has been a leading member in the UN, the European Union and NATO, and remains a strong economic, cultural, military and political influence in the 21st century.

Since the summer of 2005 Lithuania has been part of the International Security Assistance Force in Afghanistan ( ISAF ), leading a Provincial Reconstruction Team ( PRT ) in the town of Chaghcharan in the province of Ghor.

Since his theatre was not licensed to produce drama, he asked several of the leading composers ( Lawes, Cooke, Locke, Coleman and Hudson ) to set sections of it to music.

Since German reunification, the PDS has frequently been the target of suspicions that leading members were connected with East Germany's Ministry for State Security, or Stasi.

Since coming to power, a disproportionate number of leading positions have been awarded to members of the Alawi sect in a move akin to Saddam Hussein's Ba ' ath Party governance in neighbouring Iraq between 1968 and 2003 when persons from Saddam's home town of Tikrit were appointed in prominent roles.

Since the reinforced carbon-carbon ( RCC ) panel on Columbia had only 40 % of the strength of the test panel from Enterprise, this result suggested that the RCC leading edge would have been shattered.

Since then, despite some calls for convergence centred on the structure and agency debate, its methodological, theoretical and topical diversity has spread even more, leading to numerours definitions of social geography and, therefore, contemporary scholars of the discipline identifying a great variety of different social geographies.

Since the 1996 reorganization, the Administrator of the United States Agency for International Development ( USAID ), while leading an independent agency, has also reported to the Secretary of State, as does the United States Ambassador to the United Nations ( also known as the Permanent Representative ).

Since 1998, The Centre for Conflict Resolution Studies has been offering courses leading to a Certificate in Conflict Resolution Studies.

Since the full Central Committee meets only once a year, the Politburo functions as the Party's leading collective decision-making body.

Since phospholipase enzymes play a significant part in the cascade leading to the inflammatory and pain response, their inhibition could lead to relief of problems from scorpion envenomation.

Since its creation, WHO has been responsible for playing a leading role in the eradication of smallpox.

Since the prevailing winter winds tend to be colder than the water for much of the winter, the southeastern shores of the lakes are almost constantly overcast, leading to the use of the term The Great Gray Funk as a synonym for winter.

Since the ozone layer prevents most harmful UVB wavelengths ( 280 – 315 nm ) of ultraviolet light ( UV light ) from passing through the Earth's atmosphere, observed and projected decreases in ozone have generated worldwide concern leading to adoption of the Montreal Protocol that bans the production of CFCs, halons, and other ozone-depleting chemicals such as carbon tetrachloride and trichloroethane.

Since this idles the productive capacity, investment also falls, leading to further reductions in aggregate demand.

Since then, CC Korea has been actively promoting the liberal and open culture of creation as well as leading the diffusion of Creative Commons in the country.

Since the area of the eardrum is about 17 fold larger than that of the oval window, the sound pressure is concentrated, leading to a pressure gain of at least 22.

Since 2005, Jens Stoltenberg has been leading a red-green coalition, consisting of Norwegian Labour Party, Socialist Left Party and Center Party.

Since the mid-20th century, such medications have been leading treatments for a broad range of mental disorders and have decreased the need for long-term hospitalization therefore lowering the cost of mental health care.

Since going into ecumenical communion with their respective Anglican body, bishops in the ELCA or the ELCIC not only approve the " rostering " of all ordained pastors, diaconal ministers, and associates in ministry, but they serve as the principal celebrant of all pastoral ordination and installation ceremonies, diaconal consecration ceremonies, as well as serving as the " chief pastor " of the local synod, upholding the teachings of Martin Luther as well as the documentations of the Ninety-Five Theses and the Augsburg Confession.

Since about 1970, the United States has become the principal ally of Israel, positioning it as a part of the Western World.

Since the principal consumer application is for Internet access, ISDN was mostly superseded by DSL in the early 21st century.

Since the 1920s, X-ray diffraction has been the principal method for determining the arrangement of atoms in minerals and metals.

Since 1996, when Avon was abolished, Bath has been the principal centre of the unitary authority of Bath and North East Somerset ( B & NES ).

Since an investor earns a return on the original principal amount of the investment as well as on any prior period Investment income, investment earnings are " compounded " as time advances.

Since May 2011 the aircraft in principal use has been an MD Helicopters MD Explorer 902.

Since the county's creation, agriculture, timber, manufacturing, and commerce have been the principal economic activities.

Since the principal raw materials used to manufacture zeolites are silica and alumina, which are among the most abundant mineral components on earth, the potential to supply zeolites is virtually unlimited.

Since that day, Shango has been married to Oba, Oya, and Oshun, though Oshun is said to be considered his principal wife.

Since the 1920s, Lancaster had been the much larger and principal community of the Antelope Valley, as well as the rest of California's Mojave Desert.

Since then it is the principal town in the municipality of Utrechtse Heuvelrug.

Since the mid-19th century, however, tourism has been the principal business.

Since 2002, its principal conductor has been Sir Simon Rattle.

Since 2005 the Orchestra has been actively planning for the construction of a new principal concert hall.

Since the 2004 election defeat the party has been the principal opposition in parliament.

Since Belarus gaining its independence in 1991 Mahilyow remains one of its principal cities.

Since the reign of King George I the Cabinet has been the principal executive group of British government.

His principal works also include Ireland Since the Famine, the standard university textbook for Irish history from the mid-19th to late-20th century, and a biography of Charles Stewart Parnell.

Since 1995, Marvin Hamlisch has served as principal pops conductor.

Since 1875 various members of the Hoare family had been principal directors and maintained a controlling interest in the company.

Since there are no shear strain components in this coordinate system, the principal strains represent the maximum and minimum stretches of an elemental volume.

Since they had received a favorable response to African American characters they had previously done on radio, Gosden and Correll proposed that the principal characters be African Americans, Sam Smith and Henry Johnson, newly arrived in Chicago from rural Alabama.

Since the streamlining of the Taiwan Province in 1998, these subdivisions are regarded as the principal subdivisions of Taiwan.