Calculation of Effective Earth Radius and Point Refractivity Gradient in UAE
A large set of 14 years of reliable local radiosonde meteorological data, from 1990 to 2003, has been used to calculate the effective Earth radius and point refractivity gradient in the United Arab Emirates. The obtained values are used to investigate their impact on the design of microwave links. T...
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| Main Authors: | , |
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| Format: | Article |
| Language: | English |
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Wiley
2010-01-01
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| Series: | International Journal of Antennas and Propagation |
| Online Access: | http://dx.doi.org/10.1155/2010/245070 |
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| _version_ | 1832550678005809152 |
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| author | Abdulhadi Abu-Almal Kifah Al-Ansari |
| author_facet | Abdulhadi Abu-Almal Kifah Al-Ansari |
| author_sort | Abdulhadi Abu-Almal |
| collection | DOAJ |
| description | A large set of 14 years of reliable local radiosonde meteorological data, from 1990 to 2003, has been used to calculate the effective Earth radius and point refractivity gradient in the United Arab Emirates. The obtained values are used to investigate their impact on the design of microwave links. The cumulative distribution of the refractivity gradient in the first 65 meters above the ground surface, the monthly distribution for the median value of the k-factor, as well as their comparison with the ITU-maps are provided. Both experimental and global standard values are applied to specific link budget calculations. |
| format | Article |
| id | doaj-art-16084bea14a341219ce71ef33a70e07f |
| institution | Kabale University |
| issn | 1687-5869 1687-5877 |
| language | English |
| publishDate | 2010-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | International Journal of Antennas and Propagation |
| spelling | doaj-art-16084bea14a341219ce71ef33a70e07f2025-02-03T06:06:00ZengWileyInternational Journal of Antennas and Propagation1687-58691687-58772010-01-01201010.1155/2010/245070245070Calculation of Effective Earth Radius and Point Refractivity Gradient in UAEAbdulhadi Abu-Almal0Kifah Al-Ansari1Electrical Engineering Department, Ajman University of Science and Technology, Al-Jurf, P.O. Box 346 Ajman, UAEElectrical Engineering Department, Ajman University of Science and Technology, Al-Jurf, P.O. Box 346 Ajman, UAEA large set of 14 years of reliable local radiosonde meteorological data, from 1990 to 2003, has been used to calculate the effective Earth radius and point refractivity gradient in the United Arab Emirates. The obtained values are used to investigate their impact on the design of microwave links. The cumulative distribution of the refractivity gradient in the first 65 meters above the ground surface, the monthly distribution for the median value of the k-factor, as well as their comparison with the ITU-maps are provided. Both experimental and global standard values are applied to specific link budget calculations.http://dx.doi.org/10.1155/2010/245070 |
| spellingShingle | Abdulhadi Abu-Almal Kifah Al-Ansari Calculation of Effective Earth Radius and Point Refractivity Gradient in UAE International Journal of Antennas and Propagation |
| title | Calculation of Effective Earth Radius and Point Refractivity Gradient in UAE |
| title_full | Calculation of Effective Earth Radius and Point Refractivity Gradient in UAE |
| title_fullStr | Calculation of Effective Earth Radius and Point Refractivity Gradient in UAE |
| title_full_unstemmed | Calculation of Effective Earth Radius and Point Refractivity Gradient in UAE |
| title_short | Calculation of Effective Earth Radius and Point Refractivity Gradient in UAE |
| title_sort | calculation of effective earth radius and point refractivity gradient in uae |
| url | http://dx.doi.org/10.1155/2010/245070 |
| work_keys_str_mv | AT abdulhadiabualmal calculationofeffectiveearthradiusandpointrefractivitygradientinuae AT kifahalansari calculationofeffectiveearthradiusandpointrefractivitygradientinuae |