astronomical direction

astronomical direction, Total:36 items.

The international standard classification for "astronomical direction" includes: Astronomy. Geodesy. Geography , Optical equipment .

The Chinese standard classification for "astronomical direction" includes: Geotectonic Mapping and Marine Mapping , Observation equipment for vessel , Telescope, geodetic survey and aerial survey instrumentation , Technical Management , Technical management .

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

SPC GB/T 25024-2019 Bogie for rolling stock -- Bogie for railway wagon (TEXT OF DOCUMENT IS IN CHINESE)
GB 12191-1990 Test methods of radiation pattern of the slotted-waveguide antenna for marine radar
GB/T 17943-2025 Specification for astrogeodetic surveying
GB/T 35125-2017 Test methods for astronomical telescopes

Professional Standard - Electron

SJ 2534.7-1986 Test procedures for antennas-On-site measurements of amplitude pattens
SJ 2534.10-1986 Test procedures for antennas - Measurement of power gain and directivity
SJ 2534.3-1984 Test procedures for antennas - Antenna-range measurements of radiation patterns
SJ/T 11097-1996 Test methods of radiation pattern of the slotted-waveguide antenna for marine radar

Military Standard of the People's Republic of China-General Armament Department

GJB 3310-1998 Radar antenna subsystem performance test method direction diagram

International Telecommunication Union (ITU)

ITU-R RA.1631 FRENCH-2003 Reference radio astronomy antenna pattern to be used for compatibility analyses between non-GSO systems and radio astronomy service stations based on the epfd concept
ITU-R S.1717-1-2015 Electronic data file format for earth station antenna patterns
ITU-R S.1717 SPANISH-2005 Electronic data file format for earth station antenna patterns
ITU-R S.1717 FRENCH-2005 Electronic data file format for earth station antenna patterns
ITU-R S.1717-2015 Electronic data file format for earth station antenna patterns
ITU-R SA.1345-1 SPANISH-2010 Methods for predicting radiation patterns of large antennas used for space research and radio astronomy
ITU-R REPORT SA.2166-2009 Examples of radiation patterns of large antennas used for space research and radio astronomy
ITU-R SA.1345 FRENCH-1998 METHODS FOR PREDICTING RADIATION PATTERNS OF LARGE ANTENNAS USED FOR SPACE RESEARCH AND RADIO ASTRONOMY
ITU-R SA.1345-1-2010 Methods for predicting radiation patterns of large antennas used for space research and radio astronomy
ITU-R SA.1345-1 FRENCH-2010 Methods for predicting radiation patterns of large antennas used for space research and radio astronomy
ITU-R SA.1345-2010 Methods for predicting radiation patterns of large antennas used for space research and radio astronomy
REPORT SA.2166-2009 Examples of radiation patterns of large antennas used for space research and radio astronomy
ITU-R SA.1345 SPANISH-1998 METHODS FOR PREDICTING RADIATION PATTERNS OF LARGE ANTENNAS USED FOR SPACE RESEARCH AND RADIO ASTRONOMY
ITU-R PI.683-1990 (WITHDRAWN) Sky-Wave Field Strength Prediction Method for Propagation to Aircraft at About 500 kHz - Section 6D - Ionospheric Propagation Prediction at Frequencies Below About 1.6 MHz
ITU-R REPORT SM.2056-2005 Airborne verification of antenna patterns of broadcasting stations
REPORT SM.2056-2005 Airborne verification of antenna patterns of broadcasting stations

German Institute for Standardization

DIN 65574:1993-01 Aerospace; nameplates; directions for design
DIN EN 2850 E:1998-04 Draft Document - Aerospace series - Carbon fibre thermosetting resin unidirectional laminates - Compression test parallel to fibre direction
DIN 29548-3:1993-03 Aerospace; offsettings; directions for design and examples
DIN EN 2561:1995 Aerospace series - Carbon fibre reinforced plastics - Unidirectional laminates - Tensile test parallel to the fibre direction; German version EN 2561:1995
DIN EN 3475-413:2002 Aerospace series - Cables, electrical, aircraft use; Test methods - Part 413: Wrap back test; German and English version EN 3475-413:2002
DIN 65375:1989-11 Aerospace; fiber reinforced plastics; testing of unidirectional laminates; compression test transverse to fiber direction
DIN EN 3386:2013 Aerospace series.Rings retaining, radial mounting, steel, phosphated; German and English version EN 3386:2012

Military Standards (MIL-STD)

MIL MIL-A-55379A-1979 DIRECTION FINDER ANTENNA GROUP, P/O DIRECTION FINDER SET AN/TRQ-30( ) (V) (NO S/S DOCUMENT) (SUPERSEDING MIL-A-55379)

Gosstandart of Russia

GOST 8.309-1978 State system for ensuring the uniformity of measurements. Highly directional antennas. The technique of measurements for determining parameters by the aperture field

Polski Komitet Normalizacyjny (PKN)

PN L01265-1993 Aerospace. Lever-operated, two-position, ON/OFF switches. Direction of operation

GM Europe

GME B 040 0853-1998 Grease for Stearing Shaft (English/German)

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