PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/22-18:13:10
G02     202.3          30.2               10.0 +/-    1.13      17.4 +/-    1.13  0.060 / 0.090
G06     164.3          64.6                9.4 +/-    0.73      10.3 +/-    0.73  0.060 / 0.090
G12     304.3          10.8               -7.4 +/-    6.80     -20.3 +/-    6.80  0.080 / 0.140
G17     30.5           53.4                8.3 +/-    1.02      10.0 +/-    1.02  0.100 / 0.130
G19     355.1          67.1                7.7 +/-    0.69       8.3 +/-    0.69  0.070 / 0.110
G24     301.6          36.0                8.4 +/-    0.70      13.2 +/-    0.70  0.080 / 0.090
G28     95.4           38.3                9.2 +/-    0.84      13.7 +/-    0.84  0.080 / 0.000