P1

P1, P01 or P-1 may refer to:

Computing, electronics and telecommunications

• Peer 1, Internet hosting provider
• DSC-P1, a 2000 Sony Cyber-shot P series camera model
• Sony Ericsson P1, a UIQ 3 smartphone
• Packet One, the first company to launch WiMAX service in Southeast Asia

Media

• P1 (papyrus), an early papyrus copy of part of the New Testament
• DR P1, a Danish radio network operated by Danmarks Radio
• NRK P1, a Norwegian radio network operated by the Norwegian Broadcasting Corporation
• SR P1, a Swedish radio network operated by Sveriges Radio
• The Adolescence of P-1, a 1977 novel
• Polonia 1, a Polish TV channel of the Polcast Television

Military

• P-1 (missile), a Soviet cruise missile
• P-1 (submarine), a fictional patrol craft in the animated TV series Marine Boy
• P-1 Hawk, a 1923 biplane fighter of the U.S. Army Air Corps
• Abrams P-1 Explorer, an American aerial survey aircraft
• Dewoitine P-1, a Dewoitine aircraft
• Kawasaki P-1, a Japanese maritime patrol aircraft (previously P-X)
• Walther P1, a Post-war, aluminum-framed variant of the Walther P-38

Transportation

• P1 (AirTrain Newark station), a station on AirTrain Newark, NJ, USA
• P1 International, a Prestige and Super Car Private Members Club founded by Damon Hill with Michael Breen based in Leatherhead, Surrey, England
• Alfa Romeo P1, a 1932 Grand Prix car
• Allard P1, a 1949 British five seater two door sports saloon
• Alsace-Lorraine P 1, a German steam locomotives class
• DFW P.1, a passenger aircraft development of the 1916 DFW C.V
• GSR Class P1, a Great Southern Railway Irish steam locomotive
• LNER Class P1, a locomotive designed by Nigel Gresley
• P-1 was a development code-name of Subaru 1500
• P1 race class in the Le Mans racing series

Science

• P1 nuclease, a nuclease that works on single-stranded DNA as well as RNA
• P1 phage, a bacterial virus
• ATC code P01 Antiprotozoals, a subgroup of the Anatomical Therapeutic Chemical Classification System
• C1 & P1 (Neuroscience), a component of the visual evoked potential
• Honda P1, a 1993 Honda P series of robots, an ASIMO predecessor
• Pollard's p − 1 algorithm for integer factorization
• Pericarp color1 (p1), a gene in the phlobaphene biosynthetis pathway in maize
• Period 1 of the periodic table
• P1 antigen, identifies P antigen system

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