PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/29-15:42:50
G02     218.8          59.3               11.3 +/-    1.06      12.9 +/-    1.06  0.080 / 0.080
G06     51.0           69.7                9.9 +/-    0.28      10.5 +/-    0.28  0.070 / 0.100
G12     321.0          43.5                7.9 +/-    0.89      10.8 +/-    0.89  0.050 / 0.060
G17     60.5           29.0                7.2 +/-    1.89      12.9 +/-    1.89  0.050 / 0.050
G19     37.9           50.5                9.8 +/-    1.83      12.3 +/-    1.83  0.030 / 0.020
G24     259.5          41.2               10.0 +/-    4.40      14.3 +/-    4.40  0.030 / 0.030
G28     124.1          12.1                9.0 +/-    2.05      24.0 +/-    2.05  0.050 / 0.040