PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/26-10:42:50
G01     65.8           32.1               10.9 +/-    9.23      18.3 +/-    9.23  0.050 / 0.060
G07     139.7          26.3                6.0 +/-    1.63      11.3 +/-    1.63  0.040 / 0.060
G11     50.1           26.6                9.4 +/-    7.26      17.8 +/-    7.26  0.050 / 0.080
G13     268.5          37.0                5.7 +/-    1.35       8.7 +/-    1.35  0.050 / 0.080
G15     303.0          13.7                5.5 +/-   12.12      14.2 +/-   12.12  0.050 / 0.110
G17     244.8          74.6                6.4 +/-    1.17       6.6 +/-    1.17  0.050 / 0.100
G18     44.7           14.9                2.0 +/-    2.31       5.0 +/-    2.31  0.090 / 0.120
G19     227.1          41.5               14.0 +/-    8.52      19.8 +/-    8.52  0.080 / 0.120
G28     25.2           58.7                4.3 +/-    0.68       5.0 +/-    0.68  0.100 / 0.330
G30     140.0          59.3               16.5 +/-   10.12      18.9 +/-   10.12  0.100 / 0.350