PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/07-16:12:30
G02     204.1          32.3               11.2 +/-    1.08      18.7 +/-    1.08  0.060 / 0.130
G06     153.6          70.4               11.1 +/-    0.56      11.7 +/-    0.56  0.070 / 0.120
G12     308.8          19.1                8.1 +/-    1.03      18.1 +/-    1.03  0.070 / 0.120
G17     36.9           48.4                8.9 +/-    1.21      11.5 +/-    1.21  0.130 / 0.260
G19     352.6          66.5                9.6 +/-    0.36      10.4 +/-    0.36  0.030 / 0.030
G24     296.5          39.2                9.2 +/-    5.41      13.5 +/-    5.41  0.030 / 0.030
G28     102.3          31.3                9.9 +/-    1.59      16.8 +/-    1.59  0.030 / 0.030