GB/T 14617.3-2012 Active National standards

GB/T 14617.3-2012 Propagation characteristics in land mobile service and fixed service—Part 3:Propagation characteristics of line-of-sight radio-relay communications systems

Publish Date: 2012-12-31 Implement Date: 2013-06-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 14617.3-2012

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Communication equipment

ICS Name: Electromagnetic compatibility (EMC)

Publish Date: 2012-12-31

Implement Date: 2013-06-01

Pages: 54 pages

Scope

This part of GB/T 14617 specifies the calculation of relevant parameters commonly used in circuit design, such as the calculation of safety margins and Fresnel radii, the calculation of gas absorption and rain attenuation, radio wave refraction, diversity reception, the prediction of analog microwave fading probabilities and digital microwave circuit interruption rates, and radio meteorological data related to propagation characteristics. It also provides the applicable scope of each parameter.
This part is applicable to the overall design of line-of-sight microwave relay communication systems of various capacities, the design of line-of-sight microwave relay communication circuits in various frequency bands, and the design of various electromagnetic compatibility systems related to radio wave propagation characteristics.

Development Information

Word Count: 100 Thousand words Pages: 54 pages

Same series standard

GB/T 14617.1-2012 Propagation characteristics in land mobile service and fixed service—Part 1:Propagation characteristics in land mobile service GB/T 14617.2-2012 Propagation characteristics in land mobile service and fixed service—Part 2:Propagation characteristics for the terrestrial fixed service in 100 MHz～1 000 MHz

Replace the following standards

GB/T 14617.3-1993 Propagation characteristics in land mobile service and fixed service—Part 3:Propagation characteristics of line-of-sight radio relay communication systems

Referenced Standards

GB/T 14617.2-1993 Propagation characteristics in land mobile service and fixed service—Part 2:Propagation characteristics for the terrestrial fixed service in 100～1000 MHz GB/T 14617.2-2012 Propagation characteristics in land mobile service and fixed service—Part 2:Propagation characteristics for the terrestrial fixed service in 100 MHz～1 000 MHz

Related Standards

GB/T 4859-1984 Abolished

GB/T 4859-1984 General methods of measurement of immunity to interference for electrical equipment

Publish Date: 1984-12-29

GB/T 5266-1985 Replaced

GB/T 5266-1985 Measurement of the longitudinal wave velocity and attenuation for underwater acoustical materials—Pulse-tube method

Publish Date: 1985-07-26

GB/T 7432-1987 Abolished

GB/T 7432-1987 Immunity specification of coaxial cable carrier system to the interference from the radio broadcasting and telecommunication

Publish Date: 1987-03-17

GB/T 7433-1987 Abolished

GB/T 7433-1987 Immunity specification of symmetrical cable carrier system to the interference from the radio broadcasting and telecommunication

Publish Date: 1987-03-17

GB/T 7434-1987 Abolished

GB/T 7434-1987 Immunity specification of open wire carrier system to the interference from the radio broadcasting and telecommunication

Publish Date: 1987-03-17

GB/T 8586-1988 Replaced

GB/T 8586-1988 The technical requirements of operational frequency distribution and anti-interference of sound for fish finders

Publish Date: 1988-01-05