Research Article
Radio Refractivity Impact on Signal Strength of Mobile Communication
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 |  | Location | Average R value | Average standard deviation of R values | Overall average R value | Overall average standard deviation of R values |  | 
 |  | Calabar | −0.0396523 | 0.2363366 | 0.0123691 | 0.1112165 |  | Uyo | 0.2573125 | 0.2609118 |  | Portharcourt | 0.2054338 | 0.2533071 |  | Yenagoa | −0.0198363 | 0.2626848 |  | Warri | −0.0261629 | 0.2460226 |  | 
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