USGS DEM

The USGS DEM standard is a geospatial file format developed by the United States Geological Survey for storing a raster-based digital elevation model. It is an open standard, and is used throughout the world. It has been superseded by the USGS's own SDTS format but the format remains popular due to large numbers of legacy files, self-containment, relatively simple field structure and broad, mature software support.

DEM Level

A USGS DEM can be classified into one of four levels of quality. This is due to the multiple methods of data collection, and certainty in the data.

Format Structure

The USGS DEM format is a self-contained (single file) set of ASCII-encoded (text) 1024-byte (1024 ASCII chars) blocks that fall into three record categories called A, B, and C. There is no cross-platform ambiguity since line ending control codes are not used, and all data including numbers is represented in readable text form. There is no known binary analogue of the format, although it is common practice to compress the files with gzip.

DEM (disambiguation)

DEM was the ISO 4217 currency code for the Deutsche Mark, former currency of Germany.

DEM or Dem can also refer to:

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Other uses

Faun (film)

Faun is a 1918 Hungarian silent drama film directed by Alexander Korda and starring Gábor Rajnay, Dezsõ Gyárfás and Artúr Somlay. It was based on a play by Eduard Knoblauch.

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Faun (band)

Faun is a German band formed in 2002 who play pagan folk, darkwave and medieval music. The originality of their music style is that they fall back to "old" instruments, and the singing is always the center of attention. The vocals are performed in a variety of languages, including German, Latin, Greek, and Scandinavian languages. Their instruments include Celtic harp, Swedish nyckelharpa, hurdy-gurdy, bagpipes, cittern, flutes and many others.

History

The band was founded in 2002 by Oliver "SaTyr" Pade, Elisabeth Pawelke, Fiona Rüggeberg and Birgit Muggenthaler. Two years later, Rüdiger Maul got into the band as percussionist. At the same time, Birgit left the band, to continue her musical life with the folk-rock band Schandmaul. In 2002, they released their first album Zaubersprüche. Niel Mitra was a guest musician on this album, and he later became a full-time member of the band, the only one playing only electronic instruments.

In 2003 the band released their second album, Licht, and performed at several festivals in support of this music.

Head of a Faun

Head of a faun is a lost sculpture by Italian Renaissance master Michelangelo, dating from c. 1489. His first known work of sculpture in marble, it was sculpted when he was 15 or 16 as a copy of an antique work with some minor alterations. According to Giorgio Vasari's biography of the artist, it was the creation of this work that secured the young Michaelangelo the patronage of Lorenzo de' Medici.

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Air (classical element)

Air (also sometimes called Wind) is often seen as a universal power or pure substance. Its fundamental importance to life can be seen in words such as aspire, inspire, perspire and spirit, all derived from the Latin spirare.

Greek and Roman tradition

Air is one of the four classical elements in ancient Greek philosophy and science. According to Plato, it is associated with the octahedron; air is considered to be both hot and wet. The ancient Greeks used two words for air: aer meant the dim lower atmosphere, and aether meant the bright upper atmosphere above the clouds.Plato, for instance writes that "So it is with air: there is the brightest variety which we call aether, the muddiest which we call mist and darkness, and other kinds for which we have no name...." Among the early Greek Pre-Socratic philosophers, Anaximenes (mid-6th century BCE) named air as the arche. A similar belief was attributed by some ancient sources to Diogenes Apolloniates (late 5th century BCE), who also linked air with intelligence and soul (psyche), but other sources claim that his arche was a substance between air and fire.Aristophanes parodied such teachings in his play The Clouds by putting a prayer to air in the mouth of Socrates.

WIND Hellas

WIND Hellas, formerly STET Hellas, is an integrated telecommunications provider with headquarters in Athens, Greece. WIND is the 3rd largest mobile operator in Greece (after Cosmote and Vodafone) with more than 4.4 million active subscribers (September 2010).

Background

Origins

STET Hellas originated in 1992 with the establishment of TELESTET, a subsidiary of the Italian company STET, now Telecom Italia. On September 30, 1992 the Greek Ministry of Transport and Communications issued a license to STET to create a national mobile telephony services network (GSM). The company invested the sum of 30 billion drachmas (about 88 million Euros) to create the network. This constituted one of the biggest investments in Greece since the end of the Second World War. Commercial operation started on June 29, 1993 when the first call from a mobile phone took place in the country.

In 1998 TELESTET was the first Greek mobile telephony company to be listed in international stock markets, the NASDAQ in New York City and the Amsterdam Stock Exchange.