D1
D1, D01, D.I, D.1 or D-1 can refer to:
Science and technology
and also :
- "D1", a hexadecimal value equal to the decimal value 209
- T-D1, the German T-Mobile mobile phone network former name
- D01, Carcinoma in situ of other and unspecified digestive organs ICD-10 code
- D-1, a West German funded and controlled STS mission.
- D1, an abbreviation for DOCSIS 1.0, an international telecommunications standard.
Transport
- D1 class Melbourne tram
- D1 multiple unit, a train developed at Torzhoksky car-building factory in Russia in 2007
- D1 road (Croatia), a state route in Croatia
- D1 motorway (Czech Republic), a highway in the Czech Republic
- D1 motorway (Slovakia), a highway in Slovakia
- D-1 Proton, a Russian commercial use rocket
- Bavarian D I, a 1923 German tank locomotive
- DFW DI, a DFW aircraft
- Dunne D.1, a 1907 British experimental aircraft
- Friedrichshafen D.I, a Friedrichshafen aircraft
- LB&SCR D1 class, a 1873 British powerful 0-4-2 suburban passenger tank locomotive
- NCC Class D1, a Northern Counties Committee Irish steam locomotive
- PRR D1, a 1968 American steam locomotive model
- the first model type of the BSA Bantam
Military
- D-1 152 mm howitzer, a Soviet World War II artillery system
- AEG D.I, a German World War I fighter
- Albatros D.I, a 1916 German fighter aircraft
- Aviatik D.I, a 1917 Austro-Hungarian single-engine, single-seater fighter biplane
- Char D1, a French tank
- Daimler D.I, a 1918 German fighter aircraft
- Dewoitine D.1, a 1922 French single-seat fighter aircraft
- Euler D.I, a 1917 German single-seat fighter
- Fokker D.I, a 1916 German aircraft
- Hansa-Brandenburg D.I, a 1916 German fighter aircraft
- Junkers D.I, a 1917 German fighter aircraft
- Knoller D.I, a KuKLFT D-class designations aircraft
- Phönix D.I, a 1917 Austro-Hungarian First World War biplane fighter
- Schütte-Lanz D.I, a 1915 German single-seat biplane fighter
- Siemens-Schuckert D.I, a 1916 German single-seat fighter
- UFAG D.I, a KuKLFT D-class designations aircraft
- WKF D.I, a KuKLFT D-class designations aircraft
Sports
- NCAA Division I, the highest division of American collegiate sports
- The D1 Grand Prix (or D1GP), the premier drifting championship in the world
- There are three other drifting series that use(d) the D1 moniker, related or not:
- D1NZ, from New Zealand
- D1 IRL, known now as Prodrift Irish Series in Ireland
- D1UK, then D1GB (as former official franchise to D1GP), known now as European Drift Championship in the United Kingdom
Other
- D1, a Dublin, Ireland postcode
- D-1 guitar, a guitar model by C. F. Martin & Company
- D1 Music, a record label by Jay Paul Gordon
- D1 Recordings, an Irish techno record label
- "d1", an ironic reference to "one sided"-die which only shows the value 1 when used
- In town and country planning in the UK, D1 is the code for permission to use specific land or premises for non-residential institutions (schools, libraries, surgeries)
- D02, Richter-Veresov Attack ECO code
- D1 is the first technical climbing route up Longs Peak's Diamond.
- Dopamine receptor D1, a subtype of dopamine receptor in the central nervous system
- D1, an A level Maths unit on all exam boards based on Decision mathematics
- D1 could also be an abbreviaton for Diablo (1), a popular Role Playing Game (RPG).
See also