PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/10-00:43:10
G01     115.3          20.7                7.7 +/-    1.50      16.6 +/-    1.50  0.060 / 0.100
G07     90.5           64.3                6.5 +/-    0.51       7.1 +/-    0.51  0.060 / 0.120
G08     43.9           29.5                3.4 +/-    0.98       6.0 +/-    0.98  0.050 / 0.050
G09     177.1          22.6                7.1 +/-    0.98      14.7 +/-    0.98  0.050 / 0.060
G11     104.3          41.4                7.7 +/-    0.82      10.9 +/-    0.82  0.050 / 0.100
G13     315.9          21.9                3.7 +/-    1.10       7.7 +/-    1.10  0.040 / 0.110
G17     203.3          28.0                8.2 +/-    1.49      14.9 +/-    1.49  0.030 / 0.040
G28     302.2          59.2                6.2 +/-    0.71       7.1 +/-    0.71  0.020 / 0.040
G30     10.2           74.3                6.1 +/-    0.41       6.3 +/-    0.41  0.050 / 0.080