PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/01-02:43:10
G01     72.9           33.1                4.2 +/-    1.11       7.0 +/-    1.11  0.030 / 0.050
G07     136.4          32.7                9.2 +/-    1.72      15.2 +/-    1.72  0.030 / 0.050
G11     56.5           33.5                4.2 +/-    2.02       6.9 +/-    2.02  0.050 / 0.080
G13     277.8          37.3                6.5 +/-    1.11       9.8 +/-    1.11  0.050 / 0.070
G15     303.4          15.4                2.5 +/-    1.23       6.2 +/-    1.23  0.090 / 0.240
G17     230.4          66.6                8.4 +/-    0.72       9.1 +/-    0.72  0.100 / 0.220
G19     223.0          41.1                9.4 +/-    2.04      13.4 +/-    2.04  0.070 / 0.070
G28     17.8           59.4                5.3 +/-    1.13       6.1 +/-    1.13  0.070 / 0.100
G30     133.4          59.4                8.4 +/-    0.52       9.6 +/-    0.52  0.040 / 0.030