A Model Radio Refractivity Atmosphere PDF Download

Author: Bradford R. Bean
Publisher:
ISBN:
Category : Ionospheric radio wave propagation
Languages : en
Pages : 98

View

Book Description

Author: Institute for Telecommunication Sciences and Aeronomy (U.S.)
Publisher:
ISBN:
Category : Atmospheric radio refractivity
Languages : en
Pages : 140

View

Book Description
"This atlas has been prepared for the radio engineer who wants an estimate of the behavior of the radio refractive index at any point on the earth."--Pref. "This atlas presents world maps and graphs of upper-air radio refractivity, mean monthly, extreme values of gradients of refractivity observed in the lowest layer of the atmosphere ..., and monthly mean tropopause heights."--Abstract. Published 1966.

Author: Bradford R. Bean
Publisher:
ISBN:
Category : Radio wave propagation
Languages : en
Pages : 38

View

Book Description

Author: Harold P. Gerrish
Publisher:
ISBN:
Category :
Languages : en
Pages : 6

View

Book Description
The purpose of this work is to start from typical seasonal profiles of atmospheric conditions for Miami, Florida, and step by step develop a model of atmospheric refractivity which is satisfactory for such a warm, moist climate. Theoretical ray paths are traced through this type of atmosphere at various antenna elevations and are summarized in the form of range-height charts. Height anomalies from the standard atmosphere using the 4/3-earth-curvature assumption are also illustrated.

Author: Bradford R. Bean
Publisher:
ISBN:
Category : Radio meteorology
Languages : en
Pages : 456

View

Book Description

Author: E. J. Dutton
Publisher:
ISBN:
Category : Atmospheric radio refractivity
Languages : en
Pages : 74

View

Book Description
Eight methods of computing atmospheric refraction of radio rays are discussed with appropriate theoretical background. These methods are: (1) The high-angle, or astronomical, refraction case; (2) The statistical method; (3) The low-angle, or terrestrial, refraction case (Schulkin's method); (4) The four-thirds earth model; (5) The exponential model; (6) The initial gradient correction method; (7) The departures-from-normal method; (8) A graphical method (Weisbrod's and Anderson's method). Sample computations are included for each of the above methods.

Author: Institute for Telecommunication Sciences and Aeronomy (U.S.)
Publisher:
ISBN:
Category : Atmospheric radio refractivity
Languages : en
Pages : 0

View

Book Description

Author: Boulder Laboratories (U.S.)
Publisher:
ISBN:
Category :
Languages : en
Pages : 54

View

Book Description

Author: P. E. Schmid
Publisher:
ISBN:
Category : Atmosphere
Languages : en
Pages : 44

View

Book Description

Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 15

View

Book Description
Work during the past few years by Bauer et al. of MIT Lincoln Laboratory and Bean and Thayer of the NBS Central Radio Propagation Laboratory (CRPL) has established the superiority of a negative-exponential model of the atmospheric radio refractivity vs height function, compared to the linearly decreasing refractivity assumed by the well-known 4/3-earth's-radius method, of accounting for ray bending. However, various values of the zero-altitude refractivity and the exponential constant may be used in the exponential model. For many purposes, such as plotting radar coverage on a range-height-chart, a standard assumption for the atmospheric refraction, corresponding to fixed values of these constants, is desirable. Various factors relevant to selection of such a standard are discussed. A chart and table of ray-path range-height values are presented.