PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/24-08:12:40
G01     85.5           32.6                3.4 +/-    2.89       5.7 +/-    2.89  0.060 / 0.110
G07     129.1          40.7                7.0 +/-    1.11      10.0 +/-    1.11  0.060 / 0.100
G11     62.7           37.0                6.9 +/-    1.17      10.6 +/-    1.17  0.030 / 0.030
G13     289.5          37.4                3.9 +/-    2.30       6.0 +/-    2.30  0.020 / 0.030
G17     217.1          60.0                7.7 +/-    1.34       8.8 +/-    1.34  0.060 / 0.070
G18     57.8           21.8                3.8 +/-    2.61       8.1 +/-    2.61  0.060 / 0.080
G19     216.6          27.4                6.5 +/-    2.23      12.0 +/-    2.23  0.110 / 0.120
G28     353.9          61.6                5.6 +/-    0.69       6.2 +/-    0.69  0.110 / 0.120
G30     114.0          74.9                6.7 +/-    0.94       6.9 +/-    0.94  0.150 / 0.200