PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/12-04:28:00
G01     123.5          12.5                9.6 +/-    2.56      25.2 +/-    2.56  0.050 / 0.060
G07     59.0           69.1                6.6 +/-    0.61       7.0 +/-    0.61  0.050 / 0.060
G08     49.3           38.0                5.5 +/-    0.42       8.3 +/-    0.42  0.040 / 0.040
G09     175.3          31.7               13.1 +/-    1.08      22.2 +/-    1.08  0.040 / 0.050
G11     120.2          37.2               13.7 +/-    0.73      20.9 +/-    0.73  0.060 / 0.110
G13     320.1          14.4                2.3 +/-    2.11       5.8 +/-    2.11  0.070 / 0.100
G17     199.4          16.3                8.5 +/-    2.02      20.4 +/-    2.02  0.030 / 0.050
G28     270.0          47.1               11.6 +/-    0.75      15.1 +/-    0.75  0.040 / 0.040
G30     329.9          59.3                5.9 +/-    0.86       6.7 +/-    0.86  0.070 / 0.100