PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/18-03:57:30
G01     125.4          11.0                3.1 +/-   25.67       8.5 +/-   25.67  0.040 / 0.040
G07     51.2           69.6                5.0 +/-    0.52       5.3 +/-    0.52  0.040 / 0.030
G08     50.9           39.7                4.4 +/-    1.67       6.5 +/-    1.67  0.060 / 0.070
G09     175.2          33.9                6.7 +/-    1.27      10.9 +/-    1.27  0.070 / 0.050
G11     123.0          35.7                7.0 +/-    1.10      10.9 +/-    1.10  0.090 / 0.110
G13     320.8          12.4                3.8 +/-    3.63      10.1 +/-    3.63  0.140 / 0.150
G17     199.1          14.1                3.8 +/-    4.21       9.8 +/-    4.21  0.180 / 0.410
G28     266.8          45.6                6.5 +/-    2.76       8.7 +/-    2.76  0.210 / 0.400
G30     327.3          57.1                5.4 +/-    0.92       6.2 +/-    0.92  0.060 / 0.100