PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/19-06:58:10
G01     127.8          10.9              -12.7 +/-   35.22     -34.9 +/-   35.22  0.030 / 0.040
G07     53.2           69.2                5.2 +/-    0.53       5.5 +/-    0.53  0.040 / 0.050
G08     49.9           38.1                2.7 +/-    0.71       4.0 +/-    0.71  0.030 / 0.040
G09     174.5          32.5                5.6 +/-    1.35       9.3 +/-    1.35  0.030 / 0.040
G11     117.5          35.1                6.7 +/-    0.98      10.6 +/-    0.98  0.150 / 0.360
G17     198.9          15.9                4.1 +/-    2.10       9.9 +/-    2.10  0.200 / 0.330
G18     102.6          16.2                5.8 +/-    1.02      14.1 +/-    1.02  0.170 / 0.360
G23     161.3          9.9                 5.4 +/-    1.82      15.1 +/-    1.82  0.220 / 0.320
G28     273.2          51.4                5.0 +/-    0.74       6.2 +/-    0.74  0.090 / 0.220
G30     329.6          58.4                2.9 +/-    0.67       3.3 +/-    0.67  0.090 / 0.230