PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/08-17:27:50
G01     58.3           29.6               10.2 +/-    0.38      18.1 +/-    0.38  0.060 / 0.200
G07     142.0          16.5                9.3 +/-    1.59      22.4 +/-    1.59  0.060 / 0.150
G11     47.3           22.7                9.3 +/-    1.34      19.2 +/-    1.34  0.040 / 0.060
G13     260.0          35.6               14.5 +/-    1.13      22.7 +/-    1.13  0.040 / 0.050
G15     292.1          16.6               10.7 +/-    1.24      25.7 +/-    1.24  0.090 / 0.220
G17     259.1          76.2               12.0 +/-    0.60      12.3 +/-    0.60  0.080 / 0.260
G18     40.6           11.2               10.1 +/-    1.90      27.5 +/-    1.90  0.080 / 0.130
G19     233.2          52.7               16.0 +/-    0.98      19.5 +/-    0.98  0.070 / 0.110
G28     28.4           58.9               11.2 +/-    0.51      12.8 +/-    0.51  0.030 / 0.040
G30     143.8          47.5               13.6 +/-    0.83      17.8 +/-    0.83  0.030 / 0.040