PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/10-14:27:50
G02     200.9          17.1                9.6 +/-    2.41      22.7 +/-    2.41  0.060 / 0.070
G06     169.8          52.7               10.1 +/-    0.75      12.3 +/-    0.75  0.060 / 0.070
G13     226.9          14.3                9.5 +/-    2.15      24.0 +/-    2.15  0.090 / 0.130
G17     13.2           64.1                7.6 +/-    1.00       8.3 +/-    1.00  0.080 / 0.130
G19     323.0          71.7                7.4 +/-    0.75       7.7 +/-    0.75  0.050 / 0.030
G24     311.0          27.8                4.4 +/-    1.48       8.0 +/-    1.48  0.030 / 0.030
G28     81.2           45.7                8.0 +/-    0.74      10.6 +/-    0.74  0.040 / 0.040
G30     156.9          15.8                7.7 +/-    2.22      18.8 +/-    2.22  0.040 / 0.040