PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/09-20:12:30
G02     203.2          33.8               15.4 +/-    1.81      25.0 +/-    1.81  0.070 / 0.080
G06     157.3          69.4               13.3 +/-    1.27      14.1 +/-    1.27  0.080 / 0.090
G12     307.7          16.2                9.2 +/-    2.37      22.3 +/-    2.37  0.120 / 0.310
G17     33.5           51.3                9.8 +/-    0.47      12.2 +/-    0.47  0.160 / 0.300
G19     354.7          66.4                9.9 +/-    0.73      10.7 +/-    0.73  0.030 / 0.060
G24     298.0          38.2               11.6 +/-    1.30      17.4 +/-    1.30  0.030 / 0.050
G28     102.0          31.5               12.7 +/-    0.64      21.6 +/-    0.64  0.060 / 0.100