PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/10-08:28:10
G01     73.6           32.3                4.5 +/-    0.56       7.5 +/-    0.56  0.040 / 0.040
G07     134.6          33.5                7.7 +/-    1.01      12.5 +/-    1.01  0.040 / 0.030
G11     57.5           35.7                4.3 +/-    1.58       6.7 +/-    1.58  0.040 / 0.050
G13     278.2          39.0                4.4 +/-    1.79       6.5 +/-    1.79  0.040 / 0.040
G15     305.4          14.6                1.2 +/-    3.11       3.1 +/-    3.11  0.080 / 0.090
G17     225.0          64.2                7.2 +/-    0.93       7.9 +/-    0.93  0.070 / 0.100
G19     220.2          40.5                5.7 +/-    1.62       8.2 +/-    1.62  0.050 / 0.070
G28     356.2          61.5                5.2 +/-    0.88       5.8 +/-    0.88  0.080 / 0.070
G30     130.8          68.4                7.3 +/-    0.65       7.8 +/-    0.65  0.060 / 0.060