PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/29-08:27:50
G01     98.8           28.0                4.1 +/-    2.03       7.6 +/-    2.03  0.060 / 0.040
G07     115.8          51.9                5.3 +/-    0.98       6.5 +/-    0.98  0.050 / 0.030
G08     41.7           16.9                2.7 +/-    1.06       6.4 +/-    1.06  0.040 / 0.060
G11     82.0           44.3                5.4 +/-    0.58       7.4 +/-    0.58  0.020 / 0.050
G13     303.5          33.5                5.1 +/-    1.29       8.3 +/-    1.29  0.060 / 0.150
G17     208.0          42.3                6.0 +/-    1.10       8.4 +/-    1.10  0.070 / 0.220
G18     72.9           24.7                3.0 +/-    0.67       5.9 +/-    0.67  0.050 / 0.140
G19     209.7          20.5                4.3 +/-    2.55       9.3 +/-    2.55  0.050 / 0.160
G28     315.0          59.4                5.4 +/-    0.82       6.2 +/-    0.82  0.100 / 0.150
G30     44.3           80.6                6.6 +/-    0.73       6.7 +/-    0.73  0.100 / 0.130