PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/09-00:27:40
G01     123.0          15.0               10.7 +/-    2.40      26.6 +/-    2.40  0.060 / 0.070
G07     67.4           68.5                6.8 +/-    0.95       7.3 +/-    0.95  0.040 / 0.080
G08     47.9           37.1                4.6 +/-    0.68       7.1 +/-    0.68  0.040 / 0.050
G09     178.4          31.7                9.6 +/-    1.32      16.3 +/-    1.32  0.030 / 0.060
G11     115.6          37.5                9.7 +/-    0.99      14.8 +/-    0.99  0.090 / 0.230
G13     320.0          14.9                4.2 +/-    2.72      10.4 +/-    2.72  0.070 / 0.210
G17     201.2          19.0               10.3 +/-    1.30      23.2 +/-    1.30  0.130 / 0.260
G28     285.7          55.9                6.4 +/-    0.91       7.6 +/-    0.91  0.110 / 0.190
G30     348.2          67.8                5.3 +/-    0.81       5.7 +/-    0.81  0.130 / 0.730