PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/29-04:28:00
G01     121.7          15.8                6.7 +/-    2.05      16.4 +/-    2.05  0.110 / 0.310
G07     76.4           66.4                3.7 +/-    0.70       4.1 +/-    0.70  0.180 / 0.210
G08     45.4           31.6                2.3 +/-    0.82       4.0 +/-    0.82  0.040 / 0.030
G09     175.3          26.7                3.6 +/-    1.41       6.8 +/-    1.41  0.030 / 0.030
G11     108.4          39.0                5.6 +/-    0.73       8.3 +/-    0.73  0.040 / 0.030
G13     318.8          17.4                3.2 +/-    1.74       7.5 +/-    1.74  0.030 / 0.030
G17     199.8          23.8                4.9 +/-    3.52       9.9 +/-    3.52  0.110 / 0.060
G28     284.4          54.8                2.9 +/-    2.02       3.5 +/-    2.02  0.110 / 0.080
G30     338.7          64.9                3.8 +/-    0.44       4.2 +/-    0.44  0.190 / 0.330