PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/12-01:28:10
G02     203.6          37.8                9.5 +/-    1.21      14.4 +/-    1.21  0.090 / 0.230
G06     168.3          67.8                7.8 +/-    0.69       8.4 +/-    0.69  0.080 / 0.250
G12     307.6          14.8                4.4 +/-    3.60      11.0 +/-    3.60  0.050 / 0.110
G17     39.5           46.0                5.1 +/-    0.72       6.8 +/-    0.72  0.050 / 0.120
G19     4.7            64.2                5.3 +/-    0.89       5.8 +/-    0.89  0.080 / 0.090
G24     293.2          40.5                6.2 +/-    1.51       9.0 +/-    1.51  0.090 / 0.100
G28     102.7          32.9                6.9 +/-    0.63      11.4 +/-    0.63  0.040 / 0.030