PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/26-14:27:50
G01     112.9          21.2               10.2 +/-    0.96      21.8 +/-    0.96  0.030 / 0.050
G07     98.8           59.0                9.5 +/-    0.80      10.9 +/-    0.80  0.030 / 0.050
G08     43.4           28.1                6.6 +/-    0.61      12.1 +/-    0.61  0.030 / 0.060
G09     176.7          21.5                9.2 +/-    2.98      19.6 +/-    2.98  0.040 / 0.060
G11     98.3           42.6               10.0 +/-    0.81      13.9 +/-    0.81  0.060 / 0.100
G13     314.1          24.9                7.7 +/-    1.34      15.0 +/-    1.34  0.050 / 0.080
G17     203.1          28.5                9.3 +/-    1.41      16.8 +/-    1.41  0.090 / 0.190
G18     86.7           22.6                7.1 +/-    1.75      14.6 +/-    1.75  0.090 / 0.150
G28     294.3          56.1                7.8 +/-    0.74       9.1 +/-    0.74  0.070 / 0.130
G30     7.0            74.8                8.7 +/-    0.61       9.0 +/-    0.61  0.060 / 0.120