PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/29-10:42:50
G01     95.0           29.5                4.0 +/-    1.43       7.1 +/-    1.43  0.030 / 0.050
G07     120.3          47.9                4.9 +/-    0.52       6.3 +/-    0.52  0.040 / 0.040
G08     41.9           15.3                2.5 +/-    2.49       6.3 +/-    2.49  0.050 / 0.060
G11     76.0           43.1                4.9 +/-    0.69       6.8 +/-    0.69  0.040 / 0.060
G13     299.8          35.2                5.4 +/-    1.10       8.5 +/-    1.10  0.180 / 0.230
G17     210.3          44.7                6.2 +/-    0.60       8.3 +/-    0.60  0.140 / 0.210
G18     68.7           24.5                4.4 +/-    1.30       8.7 +/-    1.30  0.060 / 0.210
G19     211.2          23.7                5.1 +/-    1.67      10.2 +/-    1.67  0.080 / 0.160
G28     323.3          60.4                3.8 +/-    0.69       4.4 +/-    0.69  0.160 / 0.330
G30     76.0           79.9                5.1 +/-    0.67       5.2 +/-    0.67  0.140 / 0.320