PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/01-00:58:00
G01     124.0          14.2               10.7 +/-    3.83      27.2 +/-    3.83  0.050 / 0.070
G07     64.0           68.8                7.2 +/-    0.98       7.7 +/-    0.98  0.050 / 0.060
G08     48.6           37.8                5.4 +/-    0.53       8.2 +/-    0.53  0.040 / 0.060
G09     178.5          32.9               11.8 +/-    1.56      19.5 +/-    1.56  0.030 / 0.070
G11     116.6          36.8               10.9 +/-    0.73      16.7 +/-    0.73  0.190 / 0.330
G13     320.4          13.9                3.9 +/-    1.78      10.1 +/-    1.78  0.150 / 0.350
G17     200.9          18.1               11.6 +/-    1.36      26.8 +/-    1.36  0.070 / 0.200
G28     283.6          55.3                8.2 +/-    0.87       9.8 +/-    0.87  0.080 / 0.210
G30     345.2          66.6                5.4 +/-    0.61       5.9 +/-    0.61  0.080 / 0.330