// reading from textboxt and converting  latitude
            int gm = Convert.ToInt32(tablica[2].Substring(0, 2));
            int gm5 = Convert.ToInt32(tablica5[2].Substring(0, 2));
            int gm6 = Convert.ToInt32(tablica6[2].Substring(0, 2));
            int gm7 = Convert.ToInt32(tablica7[2].Substring(0, 2));
            int gm8 = Convert.ToInt32(tablica8[2].Substring(0, 2));