PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/17-00:27:40
G01     109.9          24.0                9.5 +/-    1.24      19.0 +/-    1.24  0.090 / 0.100
G07     101.7          60.6               10.4 +/-    0.85      11.7 +/-    0.85  0.080 / 0.110
G08     42.6           24.8                7.8 +/-    1.09      15.4 +/-    1.09  0.080 / 0.110
G09     176.2          17.2               11.5 +/-    1.13      27.2 +/-    1.13  0.070 / 0.120
G11     96.8           43.0               10.2 +/-    1.05      14.1 +/-    1.05  0.050 / 0.060
G13     312.3          26.0                8.4 +/-    2.58      16.0 +/-    2.58  0.040 / 0.050
G17     205.2          33.5               11.9 +/-    2.60      19.5 +/-    2.60  0.090 / 0.190
G19     208.4          10.7                0.3 +/-   16.60       0.9 +/-   16.60  0.080 / 0.230
G28     313.4          60.6                9.7 +/-    0.95      11.0 +/-    0.95  0.070 / 0.200
G30     32.8           77.2                9.8 +/-    0.64      10.0 +/-    0.64  0.080 / 0.200