G4 - AbsoluteAstronomy.com

G4, G.IV, G04, G.4 or G-4 may refer to:

Aircraft

AEG G.IV
AEG G.IV
-See also:-References:NotesCitationsBibliography* Grey, Peter and Owen Thetford. German Aircraft of the First World War. London: Putnam, 1962. ISBN 0-370-00103-6....

, a German World War I heavy bomber
Caudron G.4
Caudron G.4
|-References:*Donald, David . The Encyclopedia of World Aircraft. Leicester, UK: Blitz Editions, 1997. ISBN 1-85605-375-X.* Kalevi Keskinen, Kyösti Partonen, Kari Stenman: Suomen Ilmavoimat I 1918-27, 2005. ISBN 952-99432-2-9....

, a 1915 French biplane
Friedrichshafen G.IV
Friedrichshafen G.IV
|-See also:...

, a 1918 German medium bomber
Gotha G.IV
Gotha G.IV
|-See also:...

, a 1916 German heavy bomber
Gulfstream IV
Gulfstream IV
The Gulfstream IV and derivatives are a family of twin-jet aircraft, mainly for private or business use. The aircraft was designed and built by Gulfstream Aerospace, a General Dynamics company based in Savannah, Georgia, United States from 1985 until 2003.-Design and development:Gulfstream, in...

, a family of private jet aircraft
Soko G-4 Super Galeb, a jet trainer/light attack jet of Yugoslav/Serbian origin

Power Mac G4
Power Mac G4
The Power Mac G4 was a series of personal computers that was designed, manufactured, and sold by Apple between 1999 and 2004. They used the PowerPC G4 series of microprocessors. They were heralded by Apple to be the first personal supercomputers, reaching speeds of 4 to 20 Gigaflops...

, a series of personal computers made by Apple Inc.
PowerPC G4
PowerPC G4
PowerPC G4 is a designation used by Apple Computer to describe a fourth generation of 32-bit PowerPC microprocessors. Apple has applied this name to various processor models from Freescale, a former part of Motorola....

, a type of microprocessor by Freescale used by Apple
Group 4 compression
Group 4 compression
Group 4 compression, usually abbreviated as G4, is a method of image compression used in Group 4 fax machines, defined in the ITU-T T.6 fax standard. It is only used for monochrome images. G4 compression is also available in the TIFF image file format, as well as in the PDF document format....

, a type of image compression used in fax machines and some image file formats

USS G4 (SS-26)
USS G-4 (SS-26)
USS G-4 was a G-class submarine of the United States Navy. While the four G-boats were nominally all of a class, they differed enough in significant details that they are sometimes considered to be four unique boats, each in a class by herself.G-4 was named Thrasher when her keel was laid down on...

, a 1914 G-class submarine of the United States Navy
G-4, designation of the staff officer charged with logistics or the supply of a military formation with food, ammunition, and other materiel necessary to sustain that formation in combat

G4 nations
G4 nations
The G4 is an alliance among Brazil, Germany, India, and Japan for the purpose of supporting each other’s bids for permanent seats on the United Nations Security Council. Unlike the G8 , where the common denominator is the economy and long-term political motives, the G4's primary aim is the...

, four industrial and economic powers aspiring for a permanent seat in the United Nations Security Council: Brazil, Germany, India, and Japan

County Route G4 (California), a county highway in Santa Clara County, California, USA
G4 Beijing–Hong Kong–Macau Expressway
G4 Beijing–Hong Kong–Macau Expressway
The Beijing–Hong Kong–Macau Expressway , commonly referred to as the Jinggang'ao Expressway is an expressway that connects the cities of Beijing, China, and Hong Kong, a Special Administrative Region of the People's Republic of China...

, an expressway in China and Hong Kong
- G4W Guangzhou–Macau Expressway
  G4W Guangzhou–Macau Expressway
  The Guangzhou–Macau Expressway , commonly referred to as the Guang'ao Expressway is an expressway that connects the cities of Guangzhou, Guangdong, and Macau, a Special Administrative Region of the People's Republic of China...
  
  , a spur expressway from Guangzhou to Macau

ATC code G04
ATC code G04
-G04BA Acidifiers:-G04BA Acidifiers:-G04BA Acidifiers::G04BA01 Ammonium chloride:G04BA03 Calcium chloride:QG04BA90 Methionine-G04BD Urinary antispasmodics::G04BD01 Emepronium:G04BD02 Flavoxate:G04BD03 Meladrazine:G04BD04 Oxybutynin:G04BD05 Terodiline...

Urologicals, a subgroup of the Anatomical Therapeutic Chemical Classification System
Group 4 element
Group 4 element
The Group 4 elements are a group of chemical elements in the periodic table. In the modern IUPAC nomenclature, Group 4 of the periodic table contains titanium , zirconium , hafnium and rutherfordium . This group lies in the d-block of the periodic table...

, a class of elements on the Periodic Table

G4 (TV channel)
G4 (TV channel)
G4, also known as G4 TV, is an American cable- and satellite-television channel originally geared primarily toward young adult viewers, originally based on the world of video games...

, an American television channel
G4 Canada, a Canadian television channel devoted to technology-related programming

G4 (band)
G4 (band)
G4 were a four-piece British vocal troupe who first came to prominence when they finished second in ITV's talent show The X Factor in 2004. The members met at the Guildhall School of Music and Drama, from which the name G4, standing for "Guildhall 4", derives.-The X Factor:G4 auditioned for the...

, a British vocal troupe
Allegiant Air
Allegiant Air
Allegiant Air is an American low-cost airline owned by Allegiant Travel Co. that operates scheduled and charter flights. Allegiant Travel Company is a publicly traded company with 1,300 employees and one billion USD market capitalization...

's IATA airline designator
VIP Protection Unit
VIP Protection Unit
The VIP Protection Unit otherwise known as G4 is a branch of the Hong Kong Police Force. The original name had been given to the unit since it is the 4th division of the former Royal Hong Kong Police Force's Special Branch division...

or G4, a unit of the Hong Kong Police Force
G4, a type of bipin
Bipin
A bipin or bi-pin, , is a standard from the IEC for lamp fittings. These are used on many small incandescent light bulbs , and on most fluorescent lights as well, where the filaments are involved in starting the tube when it is turned on.Some lamps have pins placed closer together, preventing...

lamp socket