PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/07-17:12:50
G01     68.0           32.2               10.6 +/-    0.62      17.8 +/-    0.62  0.060 / 0.130
G07     137.9          24.4               11.8 +/-    0.75      23.5 +/-    0.75  0.070 / 0.190
G11     51.8           29.4               10.2 +/-    1.00      18.1 +/-    1.00  0.050 / 0.060
G13     271.1          38.1               13.5 +/-    1.19      20.3 +/-    1.19  0.040 / 0.060
G15     300.3          15.9                8.7 +/-    2.34      21.1 +/-    2.34  0.070 / 0.150
G17     234.6          69.5               14.1 +/-    0.73      15.0 +/-    0.73  0.080 / 0.140
G18     46.5           16.5                9.3 +/-    1.21      22.3 +/-    1.21  0.050 / 0.080
G19     224.7          44.6               15.9 +/-    2.00      21.5 +/-    2.00  0.040 / 0.090
G28     12.3           60.6               10.9 +/-    0.60      12.3 +/-    0.60  0.150 / 0.400
G30     137.2          56.3               12.6 +/-    0.58      14.8 +/-    0.58  0.140 / 0.330