PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/08-00:42:40
G01     224.4          15.4                8.9 +/-    1.72      21.8 +/-    1.72  0.050 / 0.050
G03     282.7          68.2                4.7 +/-    1.04       5.0 +/-    1.04  0.050 / 0.040
G09     296.7          12.7                7.4 +/-    1.51      19.4 +/-    1.51  0.150 / 0.230
G14     88.8           22.5                4.1 +/-    1.05       8.5 +/-    1.05  0.180 / 0.250
G16     143.6          47.5                7.8 +/-    0.94      10.1 +/-    0.94  0.110 / 0.300
G22     214.1          68.8                6.1 +/-    0.77       6.5 +/-    0.77  0.100 / 0.330
G23     308.1          37.5                4.4 +/-    1.68       6.7 +/-    1.68  0.060 / 0.100
G26     93.9           54.8                5.5 +/-    0.63       6.6 +/-    0.63  0.050 / 0.100
G31     45.8           31.6                2.9 +/-    0.47       5.0 +/-    0.47  0.040 / 0.080