PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/14-07:57:30
G01     81.8           32.1                4.2 +/-    0.88       7.0 +/-    0.88  0.030 / 0.030
G07     129.8          39.8                5.2 +/-    0.78       7.6 +/-    0.78  0.030 / 0.030
G11     64.1           39.8                5.0 +/-    1.21       7.2 +/-    1.21  0.150 / 0.300
G13     287.0          38.6                3.2 +/-    2.61       4.7 +/-    2.61  0.280 / 0.340
G15     310.8          12.5                1.5 +/-    1.59       3.8 +/-    1.59  0.100 / 0.110
G17     217.6          57.7                6.2 +/-    0.90       7.2 +/-    0.90  0.110 / 0.120
G19     216.1          34.2                7.1 +/-    1.80      11.5 +/-    1.80  0.050 / 0.070
G28     342.6          61.4                2.8 +/-    0.51       3.1 +/-    0.51  0.040 / 0.080
G30     117.2          74.8                5.8 +/-    0.73       5.9 +/-    0.73  0.040 / 0.060