This code is done for a Master thesis under title Channel Characterisation for 415 Mhz in City center of Khartoum , which is basically represent the channel models ( Okumuura Hata, Cost231, Simplified Path loss model) and the new modified model, which real measurements two BTS in Sudan, the STDV and Shadwing had been calculated and anew model been developed to suite this area, hope it will help in modeling,-This code is done for a Master thesis under title　Channel Characterisation for 415 Mhz in City center of Khartoum , which is basically represent the channel models ( Okumuura Hata, Cost231, Simplified Path loss model) and the new modified model, which real measurements　two BTS in Sudan, the STDV and Shadwing had been calculated and anew model been developed to suite this area, hope it will help in modeling,