PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/24-13:57:40
G01     127.3          10.4              -16.8 +/-   26.50     -46.5 +/-   26.50  0.030 / 0.040
G07     60.4           67.5                6.4 +/-    0.56       6.8 +/-    0.56  0.030 / 0.040
G08     52.8           42.3                6.4 +/-    0.31       9.0 +/-    0.31  0.060 / 0.090
G09     179.0          39.0                9.8 +/-    1.15      14.5 +/-    1.15  0.060 / 0.090
G11     119.5          35.3                9.1 +/-    0.75      14.4 +/-    0.75  0.050 / 0.120
G13     321.1          11.4               -0.4 +/-   18.91      -1.1 +/-   18.91  0.050 / 0.120
G17     199.9          11.6                2.0 +/-   16.49       5.5 +/-   16.49  0.210 / 0.470
G18     103.9          15.9                8.5 +/-    1.19      20.6 +/-    1.19  0.170 / 0.410
G28     268.1          47.5                8.3 +/-    0.84      10.8 +/-    0.84  0.170 / 0.240
G30     334.4          61.5                6.4 +/-    0.64       7.2 +/-    0.64  0.110 / 0.240