PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/03-08:43:10
G01     81.4           32.1                4.9 +/-    0.78       8.2 +/-    0.78  0.030 / 0.030
G07     130.2          39.1                6.5 +/-    0.53       9.6 +/-    0.53  0.030 / 0.030
G11     63.3           39.3                3.6 +/-    0.67       5.2 +/-    0.67  0.040 / 0.080
G13     286.5          38.6                3.9 +/-    1.65       5.8 +/-    1.65  0.030 / 0.070
G15     310.9          12.4                1.6 +/-    0.72       4.2 +/-    0.72  0.090 / 0.200
G17     218.1          57.7                5.9 +/-    0.67       6.9 +/-    0.67  0.080 / 0.190
G18     57.3           22.3                1.6 +/-    1.81       3.3 +/-    1.81  0.050 / 0.120
G19     216.3          34.5                6.7 +/-    0.88      10.8 +/-    0.88  0.060 / 0.120
G28     343.9          61.5                3.0 +/-    0.80       3.4 +/-    0.80  0.060 / 0.120
G30     118.7          74.0                5.6 +/-    1.04       5.9 +/-    1.04  0.060 / 0.110