PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/22-00:42:40
G02     202.9          35.4               -9.0 +/-    1.23     -14.2 +/-    1.23  0.080 / 0.090
G06     169.1          65.7                8.1 +/-    0.69       8.8 +/-    0.69  0.090 / 0.090
G12     306.3          13.0                6.2 +/-    1.27      16.1 +/-    1.27  0.150 / 0.220
G17     37.3           47.9                5.9 +/-    1.61       7.7 +/-    1.61  0.200 / 0.240
G19     0.3            65.4                5.4 +/-    0.92       5.9 +/-    0.92  0.070 / 0.100
G24     296.1          39.3                5.0 +/-    4.57       7.4 +/-    4.57  0.050 / 0.110
G28     100.3          34.5                7.9 +/-    0.75      12.7 +/-    0.75  0.040 / 0.030