PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/26-00:27:50
G01     91.8           31.5                6.9 +/-    1.15      11.8 +/-    1.15  0.040 / 0.030
G07     124.1          47.0                9.0 +/-    0.42      11.8 +/-    0.42  0.030 / 0.050
G08     42.4           11.0                5.3 +/-    1.47      14.4 +/-    1.47  0.080 / 0.080
G11     73.7           42.1                6.3 +/-    0.63       8.8 +/-    0.63  0.080 / 0.080
G13     296.9          35.0                5.4 +/-    4.08       8.5 +/-    4.08  0.040 / 0.050
G17     214.0          50.2                7.9 +/-    0.49      10.0 +/-    0.49  0.030 / 0.050
G19     214.0          26.0                7.5 +/-    1.27      14.3 +/-    1.27  0.150 / 0.230
G28     347.8          61.8                5.0 +/-    0.51       5.5 +/-    0.51  0.110 / 0.350
G30     106.2          73.1                6.8 +/-    0.95       7.1 +/-    0.95  0.080 / 0.100