PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/05-08:27:50
G01     116.1          20.0                5.9 +/-    1.48      12.9 +/-    1.48  0.030 / 0.030
G07     90.3           63.9                5.6 +/-    0.67       6.2 +/-    0.67  0.040 / 0.030
G08     43.1           26.4                3.8 +/-    0.57       7.2 +/-    0.57  0.030 / 0.040
G09     172.7          17.5                5.0 +/-    0.92      11.6 +/-    0.92  0.030 / 0.040
G11     100.2          41.2                6.7 +/-    0.71       9.6 +/-    0.71  0.070 / 0.200
G13     315.8          22.4                2.1 +/-    2.58       4.3 +/-    2.58  0.070 / 0.200
G17     201.8          30.0                6.2 +/-    0.93      10.8 +/-    0.93  0.120 / 0.250
G18     88.8           21.8                4.8 +/-    1.94      10.0 +/-    1.94  0.120 / 0.230
G28     297.2          58.0                5.1 +/-    0.90       5.9 +/-    0.90  0.110 / 0.190
G30     348.9          70.4                5.7 +/-    0.64       6.0 +/-    0.64  0.130 / 0.210