PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/18-14:57:40
G01     83.5           32.9                9.7 +/-    0.70      16.0 +/-    0.70  0.030 / 0.030
G07     130.3          40.6               10.3 +/-    0.64      14.8 +/-    0.64  0.030 / 0.040
G11     62.1           36.8                9.0 +/-    0.69      13.9 +/-    0.69  0.060 / 0.100
G13     287.7          37.5                9.6 +/-    1.73      14.6 +/-    1.73  0.050 / 0.120
G15     313.2          10.7               -2.2 +/-   26.26      -6.0 +/-   26.26  0.040 / 0.070
G17     219.3          59.1               11.3 +/-    1.06      12.9 +/-    1.06  0.050 / 0.070
G18     58.0           22.3                7.9 +/-    1.59      16.4 +/-    1.59  0.040 / 0.070
G19     217.5          29.5               12.6 +/-    1.29      22.2 +/-    1.29  0.040 / 0.060
G28     359.9          61.2                9.7 +/-    0.55      10.8 +/-    0.55  0.070 / 0.110
G30     118.8          72.6               10.9 +/-    0.80      11.4 +/-    0.80  0.070 / 0.100