P1

P1, P01, P-1 or P.1 may refer to:

• 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
• Peer 1, an Internet hosting provider
• Honda P1, a 1993 Honda P series of robots, an ASIMO predecessor

• 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
• Polonia 1, a Polish TV channel of the Polcast Television

• P-1 Hawk, a 1923 biplane fighter of the U.S. Army Air Corps
• Kawasaki P-1, a Japanese maritime patrol aircraft (previously P-X)
• P-1 (missile), a Soviet anti-ship cruise missile

• P1 antigen, identifies P antigen system
• P1 laboratory, biosafety -level-1 laboratory
• P1 phage, a bacterial virus
• SARS-CoV-2 Gamma variant, a strain of COVID-19 virus SARS-CoV-2 first detected in Manaus, Brazil in 2020
• ATC code P01 Antiprotozoals, a subgroup of the Anatomical Therapeutic Chemical Classification System
• Pericarp color1 (p1), a gene in the phlobaphene biosynthesis pathway in maize
• C1 and P1 (neuroscience), a component of the visual evoked potential
• P1 nuclease, a nuclease that works on single-stranded DNA as well as RNA

• Period 1 of the periodic table
• Pollard's p − 1 algorithm for integer factorization
• P-ONE - a proposed neutrino detector

• P1 International, a car club founded in Leatherhead, Surrey, England
• Alfa Romeo P1, a 1932 Grand Prix car
• Allard P1, a 1949 British five seater two door sports saloon
• McLaren P1, a sports car succeeding the McLaren F1.
• Porsche P1, first electric car produced by Ferdinand Porsche in 1898
• P-1, development code name of the Subaru 1500 automobile
• P1 race class in the Le Mans racing series

• Abrams P-1 Explorer, an American aerial survey aircraft
• Dewoitine P-1, a Dewoitine aircraft
• DFW P.1, a passenger aircraft development of the 1916 DFW C.V
• Paradise P-1 LSA, a Brazilian light-sport aircraft

• P1 (AirTrain Newark station), a station on AirTrain Newark, NJ, USA
• Alsace-Lorraine P 1, a German steam locomotives class
• LNER Class P1, a class of locomotive designed by Nigel Gresley

• Front-runner, or position 1 (P.1)
• Papyrus 1, also known as P1, P¹, or 𝔓¹, an early papyrus copy of part of the New Testament
• Walther P1, an aluminum-framed variant of the Walther P38 pistol
• Pioneer One, an open source web series
• P-1 (submarine), a fictional patrol craft in the animated TV series Marine Boy

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